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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG768651149

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768651149

Diamond specifications and retailer prices

From HK$2,605 HKD
$332 USD
As of October 29, 2026
Save HK$20,213 HKD (89%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$22,818 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round 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 LG768651149 or 768651149. Listed at 28 retailers as of October 27, 2026, with prices from HK$2,605 to HK$22,818, a HK$20,213 spread on the same certified stone. Queensmith lists it at HK$22,818. 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 angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768651149
Dimensions7.34 × 7.42 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.34 mm7.42 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768651149
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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 29
Current: HK$5,149 HKD|Low: HK$2,605 HKD|High: HK$31,383 HKD|Avg: HK$8,851 HKD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 6HK$2,605 HKD
Retailer 4HK$2,958 HKD
Retailer 11HK$4,149 HKD
Retailer 3HK$4,433 HKD
Retailer 1HK$5,149 HKD
Retailer 7HK$5,548 HKD
Retailer 2HK$5,553 HKD
Retailer 12HK$5,771 HKD
Retailer 8HK$7,532 HKD
Retailer 14HK$7,532 HKD
Retailer 5HK$11,000 HKD
Retailer 13HK$13,023 HKD
Retailer 9HK$13,688 HKD
Retailer 10HK$20,399 HKD

27 data points across 14 retailers

28 retailersHK$2,605 HKD to HK$22,818 HKD

A
Cheapest Retailer
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HK$2,605 HKD
$332 USD
A
Retailer 2
-
HK$2,958 HKD
$377 USD
View
Final sale: no returns
A
Retailer 3
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HK$3,021 HKD
$385 USD
View
A
Retailer 4
-
HK$3,232 HKD
$412 USD
View
A
Retailer 5
-
HK$3,232 HKD
$412 USD
View
A
Retailer 6
-
HK$3,615 HKD
View
A
Retailer 7
-
HK$4,149 HKD
£416 GBP
View
A
Retailer 8
-
HK$4,354 HKD
$555 USD
View
A
Retailer 9
-
HK$4,433 HKD
$565 USD
View
A
Retailer 10
-
HK$5,149 HKD
€625 EUR
View
A
Retailer 11
-
HK$5,548 HKD
A$1,088 AUD
View
A
Retailer 12
-
HK$5,553 HKD
ZAR 11,435 ZAR
View
A
Retailer 13
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HK$5,771 HKD
£579 GBP
View
A
Retailer 14
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HK$5,845 HKD
$745 USD
View
A
Retailer 15
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HK$7,532 HKD
$960 USD
View
A
Retailer 16
-
HK$7,532 HKD
A$1,477 AUD
View
B+
Retailer 17
-
HK$7,932 HKD
$1,011 USD
View
Retailer 18
-
HK$8,811 HKD
$1,123 USD
View
Price last confirmed 45 days ago
B+
Retailer 19
-
HK$10,358 HKD
SGD 1,784 SGD
View
B+
Retailer 20
-
HK$10,388 HKD
$1,324 USD
View
B+
Retailer 21
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HK$10,733 HKD
$1,368 USD
View
B+
Retailer 22
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HK$11,000 HKD
$1,402 USD
View
B+
Retailer 23
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HK$11,345 HKD
$1,446 USD
View
B+
Retailer 24
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HK$12,674 HKD
$1,615 USD
View
B+
Retailer 25
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HK$13,023 HKD
£1,307 GBP
View
B+
Retailer 26
-
HK$13,688 HKD
A$2,684 AUD
View
B
Retailer 27
-
HK$20,399 HKD
$2,600 USD
View
Most Expensive
B
Queensmith
LG768651149 · Oct 27
HK$22,818 HKD
£2,290 GBP
View
27 more retailers have this diamond
Prices start from HK$2,605 HKDSave up to HK$20,213 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 Round
HK$2,605 HKD