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Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG648445944

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

Certificate IGI LG648445944

Diamond specifications and retailer prices

From HK$2,471 HKD
$315 USD
As of October 27, 2026
Save HK$22,321 HKD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$24,792 HKD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

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 LG648445944 or 648445944. Listed at 25 retailers as of October 27, 2026, with prices from HK$2,471 to HK$24,792, a HK$22,321 spread on the same certified stone. Diamond Quarter lists it at HK$24,792. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648445944
Dimensions8.41 × 5.77 × 3.85 mm
L/W Ratio1.46
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
8.41 mm5.77 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648445944
Side View
Table 63.0%Crown 39.3°Girdle: MediumPavilion 35°Culet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: HK$7,144 HKD|Low: HK$2,369 HKD|High: HK$20,436 HKD|Avg: HK$7,638 HKD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 22
Retailer 23
October 28, 2026
Retailer 3HK$2,471 HKD
Retailer 12HK$2,769 HKD
Retailer 21HK$2,863 HKD
Retailer 2HK$3,067 HKD
Retailer 13HK$3,515 HKD
Retailer 19HK$4,276 HKD
Retailer 6HK$4,315 HKD
Retailer 23HK$4,967 HKD
Retailer 10HK$5,099 HKD
Retailer 17HK$5,266 HKD
Retailer 18HK$5,430 HKD
Retailer 11HK$6,902 HKD
Retailer 1HK$7,144 HKD
Retailer 8HK$8,331 HKD
Retailer 5HK$8,990 HKD
Retailer 4HK$9,853 HKD
Retailer 16HK$10,191 HKD
Retailer 14HK$10,211 HKD
Retailer 15HK$10,264 HKD
Retailer 9HK$12,244 HKD
Retailer 20HK$12,295 HKD
Retailer 7HK$13,182 HKD
Retailer 22HK$20,358 HKD

31 data points across 23 retailers

25 retailersHK$2,471 HKD to HK$24,792 HKD

A+
Cheapest Retailer
-
HK$2,471 HKD
$315 USD
A
Retailer 2
-
HK$2,769 HKD
$353 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,863 HKD
$365 USD
View
A
Retailer 4
-
HK$3,067 HKD
$391 USD
View
A
Retailer 5
-
HK$3,515 HKD
View
A
Retailer 6
-
HK$4,276 HKD
$545 USD
View
A
Retailer 7
-
HK$4,315 HKD
$550 USD
View
A
Retailer 8
-
HK$4,967 HKD
€603 EUR
View
A
Retailer 9
-
HK$5,099 HKD
$650 USD
View
A
Retailer 10
-
HK$5,266 HKD
ZAR 10,844 ZAR
View
A
Retailer 11
-
HK$5,430 HKD
£545 GBP
View
A
Retailer 12
-
HK$6,902 HKD
$880 USD
View
A
Retailer 13
-
HK$7,144 HKD
A$1,401 AUD
View
B+
Retailer 14
-
HK$8,331 HKD
$1,062 USD
View
B+
Retailer 15
-
HK$8,990 HKD
$1,146 USD
View
B+
Retailer 16
-
HK$9,853 HKD
$1,256 USD
View
B+
Retailer 17
-
HK$10,191 HKD
$1,299 USD
View
B+
Retailer 18
-
HK$10,211 HKD
$1,302 USD
View
B+
Retailer 19
-
HK$10,264 HKD
SGD 1,768 SGD
View
B+
Retailer 20
-
HK$12,244 HKD
$1,561 USD
View
B+
Retailer 21
-
HK$12,295 HKD
£1,234 GBP
View
B+
Retailer 22
-
HK$13,182 HKD
A$2,585 AUD
View
Price last confirmed 24 days ago
B
Retailer 23
-
HK$20,358 HKD
$2,595 USD
View
B
Retailer 24
-
HK$20,476 HKD
$2,610 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Diamond Quarter
1.55IFDLG4480A4N · Oct 28
HK$24,792 HKD
£2,488 GBP
View
24 more retailers have this diamond
Prices start from HK$2,471 HKDSave up to HK$22,321 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$2,471 HKD