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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG839685027

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839685027

Diamond specifications and retailer prices

From $286 SGD
$224 USD
As of October 29, 2026
Save $1,139 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,425 SGD at MOH London · As of October 26, 2026
View at MOH London

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 LG839685027 or 839685027. Listed at 11 retailers as of October 26, 2026, with prices from $286 to $1,425, a $1,139 spread on the same certified stone. MOH London lists it at $1,425. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839685027
Dimensions9.26 × 6.44 × 4.04 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.26 mm6.44 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839685027
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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: $1,425 SGD|Low: $275 SGD|High: $1,440 SGD|Avg: $812 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$286 SGD
Retailer 11$332 SGD
Retailer 8$393 SGD
Retailer 2$397 SGD
Retailer 7$605 SGD
Retailer 9$656 SGD
Retailer 3$1,137 SGD
Retailer 10$1,142 SGD
Retailer 4$1,145 SGD
Retailer 6$1,189 SGD
MOH London$1,425 SGD

21 data points across 11 retailers

11 retailers$286 SGD to $1,425 SGD

A
Cheapest Retailer
-
$286 SGD
$224 USD
A
Retailer 2
-
$332 SGD
$260 USD
View
A
Retailer 3
-
$393 SGD
HK$2,400 HKD
View
A
Retailer 4
-
$397 SGD
£244 GBP
View
A
Retailer 5
-
$605 SGD
$473 USD
View
A
Retailer 6
-
$656 SGD
$513 USD
View
B
Retailer 7
-
$1,137 SGD
View
B
Retailer 8
-
$1,142 SGD
$893 USD
View
B
Retailer 9
-
$1,145 SGD
$896 USD
View
Retailer 10
-
$1,189 SGD
$930 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG839685027 · Oct 26
$1,425 SGD
£878 GBP
View
10 more retailers have this diamond
Prices start from $286 SGDSave up to $1,139 SGD

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
$286 SGD