Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG743593981

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG743593981

Diamond specifications and retailer prices

From HK$2,330 HKD
$297 USD
As of October 30, 2026
Save HK$18,382 HKD (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: HK$26,283 HKD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743593981 or 743593981. Listed at 31 retailers as of October 30, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593981
Dimensions5.88 × 5.88 × 3.94 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.88 mm5.88 mm1.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593981
Side View
Table 61.0%Crown 37.9°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$26,283 HKD|Low: HK$2,330 HKD|High: HK$26,283 HKD|Avg: HK$8,946 HKD
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 11
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
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Retailer 24
November 1, 2026
Retailer 8HK$2,330 HKD
Retailer 11HK$2,793 HKD
Retailer 17HK$2,879 HKD
Retailer 24HK$3,394 HKD
Retailer 3HK$4,119 HKD
Retailer 22HK$4,218 HKD
Retailer 9HK$4,488 HKD
Retailer 12HK$4,943 HKD
Retailer 18HK$5,173 HKD
Retailer 20HK$5,487 HKD
Retailer 13HK$5,712 HKD
Retailer 10HK$6,488 HKD
Retailer 14HK$7,224 HKD
Retailer 21HK$7,425 HKD
Retailer 4HK$8,889 HKD
Retailer 5HK$11,117 HKD
Retailer 15HK$11,529 HKD
Retailer 7HK$11,770 HKD
Retailer 16HK$12,273 HKD
Retailer 2HK$12,794 HKD
Retailer 19HK$13,127 HKD
Retailer 23HK$19,261 HKD
Retailer 6HK$20,713 HKD
Brilliant EarthHK$26,283 HKD

38 data points across 24 retailers

31 retailersHK$2,330 HKD to HK$20,713 HKD

A
Cheapest Retailer
-
HK$2,330 HKD
$297 USD
Retailer 2
-
HK$2,330 HKD
$297 USD
View
Price last confirmed 24 days ago
Retailer 3
-
HK$2,479 HKD
$316 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
HK$2,793 HKD
$356 USD
View
Final sale: no returns
Retailer 5
-
HK$2,879 HKD
$367 USD
View
Price last confirmed 35 days ago
Retailer 6
-
HK$2,895 HKD
$369 USD
View
Price last confirmed 29 days ago
Retailer 7
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HK$3,036 HKD
$387 USD
View
Price last confirmed 34 days ago
Retailer 8
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HK$3,394 HKD
£341 GBP
View
Price last confirmed 15 days ago
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Retailer 9
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HK$4,119 HKD
$525 USD
View
A
Retailer 10
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HK$4,218 HKD
View
A
Retailer 11
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HK$4,488 HKD
$572 USD
View
A
Retailer 12
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HK$4,943 HKD
$630 USD
View
A
Retailer 13
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HK$5,173 HKD
€628 EUR
View
A
Retailer 14
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HK$5,487 HKD
ZAR 11,299 ZAR
View
A
Retailer 15
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HK$5,712 HKD
£573 GBP
View
A
Retailer 16
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HK$6,488 HKD
$827 USD
View
A
Retailer 17
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HK$7,224 HKD
$921 USD
View
A
Retailer 18
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HK$7,425 HKD
A$1,456 AUD
View
B+
Retailer 19
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HK$8,889 HKD
$1,133 USD
View
Retailer 20
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HK$10,262 HKD
$1,308 USD
View
Price last confirmed 22 days ago
B+
Retailer 21
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HK$10,262 HKD
$1,308 USD
View
Retailer 22
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HK$10,913 HKD
$1,391 USD
View
Price last confirmed 32 days ago
B+
Retailer 23
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HK$11,117 HKD
$1,417 USD
View
B+
Retailer 24
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HK$11,529 HKD
$1,469 USD
View
B+
Retailer 25
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HK$11,770 HKD
$1,500 USD
View
B+
Retailer 26
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HK$12,273 HKD
SGD 2,114 SGD
View
B+
Retailer 27
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HK$12,794 HKD
£1,284 GBP
View
B+
Retailer 28
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HK$13,127 HKD
A$2,574 AUD
View
B
Retailer 29
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HK$19,261 HKD
$2,455 USD
View
B
Retailer 30
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HK$20,713 HKD
$2,640 USD
View
Most Expensive
Brilliant Earth
17457052Y · Oct 21
HK$26,283 HKD
$3,350 USD
View
Price last confirmed 11 days ago
30 more retailers have this diamond
Prices start from HK$2,330 HKDSave up to HK$18,382 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Radiant
HK$2,330 HKD