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Oval|Lab Grown|IGI

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG739537722

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739537722

Diamond specifications and retailer prices

From HK$2,393 HKD
$305 USD
As of October 29, 2026
Save HK$11,180 HKD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$13,573 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG739537722 or 739537722. Listed at 16 retailers as of October 29, 2026, with prices from HK$2,393 to HK$13,573, a HK$11,180 spread on the same certified stone. Brilliant Earth lists it at HK$13,573. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739537722
Dimensions9.30 × 6.62 × 4.07 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.30 mm6.62 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739537722
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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: Oct 29
Current: HK$13,573 HKD|Low: HK$2,299 HKD|High: HK$13,573 HKD|Avg: HK$5,826 HKD
Brilliant Earth
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
Retailer 15
October 31, 2026
Retailer 13HK$2,393 HKD
Retailer 6HK$2,683 HKD
Retailer 11HK$2,777 HKD
Retailer 10HK$2,974 HKD
Retailer 12HK$2,974 HKD
Retailer 8HK$3,317 HKD
Retailer 4HK$4,433 HKD
Retailer 5HK$4,841 HKD
Retailer 2HK$5,282 HKD
Retailer 7HK$5,610 HKD
Retailer 14HK$7,610 HKD
Retailer 3HK$9,125 HKD
Retailer 15HK$9,548 HKD
Retailer 9HK$11,967 HKD
Brilliant EarthHK$13,573 HKD

40 data points across 15 retailers

16 retailersHK$2,393 HKD to HK$13,573 HKD

A
Cheapest Retailer
-
HK$2,393 HKD
$305 USD
A
Retailer 2
-
HK$2,683 HKD
$342 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,777 HKD
$354 USD
View
A
Retailer 4
-
HK$2,974 HKD
$379 USD
View
A
Retailer 5
-
HK$2,974 HKD
$379 USD
View
A
Retailer 6
-
HK$3,317 HKD
£333 GBP
View
B+
Retailer 7
-
HK$4,409 HKD
$562 USD
View
B+
Retailer 8
-
HK$4,433 HKD
$565 USD
View
B+
Retailer 9
-
HK$4,841 HKD
$617 USD
View
B+
Retailer 10
-
HK$5,282 HKD
£530 GBP
View
B+
Retailer 11
-
HK$5,610 HKD
$715 USD
View
Retailer 12
-
HK$7,610 HKD
$970 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
HK$9,125 HKD
$1,163 USD
View
B
Retailer 14
-
HK$9,548 HKD
$1,217 USD
View
B
Retailer 15
-
HK$11,967 HKD
£1,201 GBP
View
Most Expensive
B
Brilliant Earth
16756886A · Oct 31
HK$13,573 HKD
$1,730 USD
View
15 more retailers have this diamond
Prices start from HK$2,393 HKDSave up to HK$11,180 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 Oval
HK$2,393 HKD