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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG787602899

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787602899

Diamond specifications and retailer prices

From HK$1,718 HKD
$219 USD
As of November 1, 2026
Save HK$14,758 HKD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$16,476 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG787602899 or 787602899. Listed at 17 retailers as of October 31, 2026, with prices from HK$1,718 to HK$16,476, a HK$14,758 spread on the same certified stone. Do Amore Diamonds lists it at HK$16,476. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787602899
Dimensions9.69 × 6.31 × 3.86 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm6.31 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787602899
Side View
Table 59.0%Crown 36.2°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 61.2%

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 1
Current: HK$16,476 HKD|Low: HK$1,365 HKD|High: HK$16,476 HKD|Avg: HK$5,715 HKD
Do Amore Diamonds
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
November 1, 2026
Retailer 13HK$1,718 HKD
Retailer 3HK$1,922 HKD
Retailer 6HK$1,993 HKD
Retailer 4HK$2,126 HKD
Retailer 10HK$2,126 HKD
Retailer 15HK$3,036 HKD
Retailer 11HK$3,640 HKD
Retailer 8HK$4,455 HKD
Retailer 14HK$4,707 HKD
Retailer 9HK$6,865 HKD
Retailer 5HK$7,555 HKD
Retailer 7HK$8,898 HKD
Retailer 2HK$9,416 HKD
Retailer 12HK$9,833 HKD
Do Amore DiamondsHK$16,476 HKD

42 data points across 15 retailers

17 retailersHK$1,718 HKD to HK$16,476 HKD

Retailer 1
-
HK$1,718 HKD
$219 USD
Price last confirmed 40 days ago
A
Retailer 2
-
HK$1,718 HKD
$219 USD
View
A
Retailer 3
-
HK$1,922 HKD
$245 USD
View
Final sale: no returns
A
Retailer 4
-
HK$1,993 HKD
$254 USD
View
Retailer 5
-
HK$2,103 HKD
$268 USD
View
Price last confirmed 40 days ago
Retailer 6
-
HK$2,126 HKD
$271 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
HK$2,126 HKD
$271 USD
View
A
Retailer 8
-
HK$3,036 HKD
$387 USD
View
A
Retailer 9
-
HK$3,640 HKD
$464 USD
View
B+
Retailer 10
-
HK$4,455 HKD
£447 GBP
View
B+
Retailer 11
-
HK$4,707 HKD
$600 USD
View
B
Retailer 12
-
HK$6,865 HKD
$875 USD
View
B
Retailer 13
-
HK$7,555 HKD
$963 USD
View
B
Retailer 14
-
HK$8,898 HKD
$1,134 USD
View
B
Retailer 15
-
HK$9,416 HKD
£945 GBP
View
B
Retailer 16
-
HK$9,833 HKD
$1,253 USD
View
Most Expensive
B
Do Amore Diamonds
27-137BF777B · Oct 31
HK$16,476 HKD
$2,100 USD
View
16 more retailers have this diamond
Prices start from HK$1,718 HKDSave up to HK$14,758 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
1.51ct Oval
HK$1,718 HKD