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Round|Lab Grown|IGI

1.57ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG776679751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776679751

Diamond specifications and retailer prices

From HK$6,041 HKD
$770 USD
As of November 2, 2026
Save HK$23,694 HKD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$29,735 HKD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776679751 or 776679751. Listed at 12 retailers as of November 1, 2026, with prices from HK$6,041 to HK$29,735, a HK$23,694 spread on the same certified stone. Brilliant Earth lists it at HK$29,735. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776679751
Dimensions7.44 × 7.48 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.48 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776679751
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
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: Nov 2
Current: HK$29,735 HKD|Low: HK$5,516 HKD|High: HK$29,735 HKD|Avg: HK$13,168 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7HK$5,516 HKD
Retailer 11HK$7,297 HKD
Retailer 10HK$7,799 HKD
Retailer 2HK$9,505 HKD
Retailer 5HK$10,456 HKD
Retailer 8HK$12,510 HKD
Retailer 6HK$15,966 HKD
Retailer 9HK$17,739 HKD
Retailer 3HK$20,565 HKD
Retailer 4HK$23,973 HKD
Brilliant EarthHK$29,735 HKD

42 data points across 11 retailers

12 retailersHK$6,041 HKD to HK$29,735 HKD

Retailer 1
-
HK$5,516 HKD
$703 USD
Price last confirmed 16 days ago
A
Retailer 2
-
HK$6,041 HKD
$770 USD
View
B+
Retailer 3
-
HK$7,297 HKD
$930 USD
View
B+
Retailer 4
-
HK$7,799 HKD
$994 USD
View
B+
Retailer 5
-
HK$9,505 HKD
£954 GBP
View
B+
Retailer 6
-
HK$10,456 HKD
ZAR 21,530 ZAR
View
Retailer 7
-
HK$12,510 HKD
A$2,453 AUD
View
Price last confirmed 25 days ago
Retailer 8
-
HK$15,966 HKD
$2,035 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
HK$17,739 HKD
$2,261 USD
View
B
Retailer 10
-
HK$20,565 HKD
$2,621 USD
View
B
Retailer 11
-
HK$23,973 HKD
£2,406 GBP
View
Most Expensive
B
Brilliant Earth
19671652A · Nov 1
HK$29,735 HKD
$3,790 USD
View
11 more retailers have this diamond
Prices start from HK$6,041 HKDSave up to HK$23,694 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
1.57ct Round
HK$6,041 HKD