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Oval|Lab Grown|IGI

1.51ct D SI2 Oval Lab Grown Diamond

ID • D/SI2 • IGI LG488132236

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG488132236

Diamond specifications and retailer prices

From $423 SGD
As of November 1, 2026
Save $1,077 SGD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,499 SGD at Brilliant Earth · As of November 6, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488132236 or 488132236. Listed at 16 retailers as of November 1, 2026, with prices from $423 to $1,499, a $1,077 spread on the same certified stone. Brilliant Earth lists it at $1,499. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488132236
Dimensions8.92 × 6.36 × 4.15 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.92 mm6.36 mm1.51 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488132236
Side View
Table 59.5%Crown 35.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 65.3%

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: Nov 1
Current: $1,499 SGD|Low: $305 SGD|High: $2,140 SGD|Avg: $845 SGD|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$305 SGD
Retailer 6$423 SGD
Retailer 2$528 SGD
Retailer 5$551 SGD
Retailer 3$552 SGD
Retailer 9$656 SGD
Retailer 4$991 SGD
Retailer 8$1,198 SGD
Retailer 7$1,323 SGD
Brilliant Earth$1,499 SGD

43 data points across 10 retailers

16 retailers$423 SGD to $1,499 SGD

Retailer 1
-
$236 SGD
Price last confirmed 36 days ago
Retailer 2
-
$255 SGD
View
Price last confirmed 44 days ago
Retailer 3
-
$296 SGD
View
Price last confirmed 42 days ago
Retailer 4
-
$305 SGD
View
Price last confirmed 35 days ago
Retailer 5
-
$313 SGD
View
Price last confirmed 42 days ago
B+
Retailer 6
-
$423 SGD
View
A
Retailer 7
-
$528 SGD
View
A
Retailer 8
-
$551 SGD
View
A
Retailer 9
-
$552 SGD
View
B+
Retailer 10
-
$656 SGD
View
B+
Retailer 11
-
$815 SGD
View
Retailer 12
-
$979 SGD
View
Price last confirmed 37 days ago
B+
Retailer 13
-
$991 SGD
View
B
Retailer 14
-
$1,198 SGD
View
Retailer 15
-
$1,323 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
8639601A · Nov 6
$1,499 SGD
$1,170 USD
View
15 more retailers have this diamond
Prices start from $423 SGDSave up to $1,077 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
$423 SGD