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1.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6237056730

Certificate GIA 6237056730

Diamond specifications and retailer prices

From $1,041 SGD
$814 USD
As of October 30, 2026
Save $1,253 SGD (55%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,294 SGD at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.9ct lab-grown round diamond

This 1.9ct lab-grown round 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 GIA 6237056730. Listed at 2 retailers as of October 29, 2026, with prices from $1,041 to $2,294, a $1,253 spread on the same certified stone. Yorxs lists it at $2,294. 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

1.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6237056730
Dimensions7.97 × 7.99 × 4.87 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.97 mm7.99 mm1.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237056730
Side View
Table 58.0%Crown 34°GirdlePavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,041 SGD|Low: $1,041 SGD|High: $2,294 SGD|Avg: $1,656 SGD
Retailer 1
Yorxs
October 29, 2026
Retailer 1$1,041 SGD
Yorxs$2,294 SGD

14 data points across 2 retailers

2 retailers$1,041 SGD to $2,294 SGD

B+
Cheapest Retailer
-
$1,041 SGD
$814 USD
Final sale: no returns
Most Expensive
B
Yorxs
358148208 · Oct 29
$2,294 SGD
€1,709 EUR
View
1 more retailer has this diamond
Prices start from $1,041 SGDSave up to $1,253 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+
1.90ct Round
$1,041 SGD