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Oval|Lab Grown|IGI

1.50ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG853643338

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG853643338

Diamond specifications and retailer prices

From $399 SGD
$312 USD
As of November 1, 2026
Save $1,595 SGD (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,994 SGD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG853643338 or 853643338. Listed at 3 retailers as of November 1, 2026, with prices from $399 to $1,994, a $1,595 spread on the same certified stone. Brilliant Earth lists it at $1,994. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853643338
Dimensions9.47 × 6.30 × 3.75 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.47 mm6.30 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853643338
Side View
Table 62.0%Crown 33.4°Girdle: STK-THKPavilion 38.5°CuletDepth 59.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $1,994 SGD|Low: $399 SGD|High: $1,994 SGD|Avg: $1,131 SGD
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$399 SGD
Retailer 2$1,000 SGD
Brilliant Earth$1,994 SGD

1 data point across 3 retailers

3 retailers$399 SGD to $1,994 SGD

B+
Cheapest Retailer
-
$399 SGD
$312 USD
B
Retailer 2
-
$1,000 SGD
$782 USD
View
Most Expensive
Brilliant Earth
22431729A · Nov 1
$1,994 SGD
$1,560 USD
View
2 more retailers have this diamond
Prices start from $399 SGDSave up to $1,595 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.

B+
1.50ct Oval
$399 SGD