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Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG570335884

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG570335884

Diamond specifications and retailer prices

From $1,644 SGD
$1,286 USD
As of October 30, 2026
7 retailers carry this diamond
Most expensive: $1,644 SGD at B2C Jewels
View at B2C Jewels

About this 1.5ct lab-grown oval diamond

This 1.5ct 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 LG570335884 or 570335884. Listed at 7 retailers as of October 30, 2026. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570335884
Dimensions9.28 × 6.52 × 4.08 mm
L/W Ratio1.42
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
9.28 mm6.52 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570335884
Side View
Table 59.5%Crown 35°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,644 SGD|Low: $550 SGD|High: $1,644 SGD|Avg: $861 SGD|+119.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 30, 2026
Retailer 6$550 SGD
Retailer 5$611 SGD
Retailer 3$629 SGD
Retailer 2$993 SGD
Retailer 7$1,177 SGD
Retailer 4$1,374 SGD
B2C Jewels$1,644 SGD

13 data points across 7 retailers

7 retailers

Retailer 1
-
$279 SGD
$218 USD
Price last confirmed 37 days ago
Retailer 2
-
$317 SGD
$248 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$335 SGD
$262 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$993 SGD
$777 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$1,089 SGD
$852 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$1,221 SGD
$955 USD
View
Price last confirmed 33 days ago
Most Expensive
B
B2C Jewels
21587001 · Oct 30
$1,644 SGD
$1,286 USD
View
6 more retailers have this diamond

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.

B
1.50ct Oval
$1,644 SGD