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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG732547933

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG732547933

Diamond specifications and retailer prices

From HK$1,569 HKD
$200 USD
As of October 29, 2026
Save HK$11,455 HKD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$13,024 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG732547933 or 732547933. Listed at 13 retailers as of October 29, 2026, with prices from HK$1,569 to HK$13,024, a HK$11,455 spread on the same certified stone. Brilliant Earth lists it at HK$13,024. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732547933
Dimensions8.91 × 6.49 × 4.12 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.91 mm6.49 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732547933
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
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$13,024 HKD|Low: HK$1,506 HKD|High: HK$13,495 HKD|Avg: HK$4,555 HKD|-3.5%
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$1,569 HKD
Retailer 6HK$1,820 HKD
Retailer 5HK$1,946 HKD
Retailer 14HK$1,946 HKD
Retailer 8HK$2,173 HKD
Retailer 15HK$3,381 HKD
Retailer 11HK$3,460 HKD
Retailer 2HK$3,568 HKD
Retailer 3HK$3,868 HKD
Retailer 7HK$3,962 HKD
Retailer 4HK$6,253 HKD
Retailer 12HK$6,277 HKD
Retailer 10HK$7,257 HKD
Retailer 9HK$9,147 HKD
Brilliant EarthHK$13,024 HKD

43 data points across 15 retailers

13 retailersHK$1,569 HKD to HK$13,024 HKD

A
Cheapest Retailer
-
HK$1,569 HKD
$200 USD
A
Retailer 2
-
HK$1,820 HKD
$232 USD
View
A
Retailer 3
-
HK$1,946 HKD
$248 USD
View
A
Retailer 4
-
HK$1,946 HKD
$248 USD
View
A
Retailer 5
-
HK$2,173 HKD
£218 GBP
View
B+
Retailer 6
-
HK$3,381 HKD
$431 USD
View
A
Retailer 7
-
HK$3,568 HKD
£358 GBP
View
A
Retailer 8
-
HK$3,868 HKD
$493 USD
View
A
Retailer 9
-
HK$3,962 HKD
$505 USD
View
B+
Retailer 10
-
HK$6,253 HKD
$797 USD
View
B+
Retailer 11
-
HK$6,277 HKD
$800 USD
View
B
Retailer 12
-
HK$9,147 HKD
£918 GBP
View
Most Expensive
B
Brilliant Earth
15705245A · Oct 29
HK$13,024 HKD
$1,660 USD
View
12 more retailers have this diamond
Prices start from HK$1,569 HKDSave up to HK$11,455 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$1,569 HKD