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Round|Lab Grown|GIA

2.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2488551189

Certificate GIA 2488551189

Diamond specifications and retailer prices

From $644 SGD
As of November 5, 2026
Save $2,728 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,372 SGD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 2.09ct lab-grown round diamond

This 2.09ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2488551189. Listed at 16 retailers as of November 5, 2026, with prices from $644 to $3,372, a $2,728 spread on the same certified stone. Brilliant Earth lists it at $3,372. 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

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2488551189
Dimensions8.21 × 8.19 × 5.04 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
8.21 mm8.19 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2488551189
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: Nov 5
Current: $3,372 SGD|Low: $618 SGD|High: $3,375 SGD|Avg: $1,400 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 12$644 SGD
Retailer 3$722 SGD
Retailer 5$722 SGD
Retailer 14$798 SGD
Retailer 10$977 SGD
Retailer 11$1,073 SGD
Retailer 4$1,113 SGD
Retailer 2$1,161 SGD
Retailer 7$1,197 SGD
Retailer 13$1,539 SGD
Retailer 9$1,752 SGD
Retailer 6$2,101 SGD
Retailer 8$3,335 SGD
Brilliant Earth$3,372 SGD

43 data points across 14 retailers

16 retailers$644 SGD to $3,372 SGD

A
Cheapest Retailer
-
$644 SGD
A
Retailer 2
-
$722 SGD
View
Final sale: no returns
A
Retailer 3
-
$722 SGD
View
Retailer 4
-
$798 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$798 SGD
View
B+
Retailer 6
-
$977 SGD
View
B+
Retailer 7
-
$1,073 SGD
View
B+
Retailer 8
-
$1,073 SGD
View
B+
Retailer 9
-
$1,113 SGD
View
B+
Retailer 10
-
$1,161 SGD
View
B+
Retailer 11
-
$1,197 SGD
View
Retailer 12
-
$1,539 SGD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$1,752 SGD
View
B
Retailer 14
-
$2,101 SGD
View
B
Retailer 15
-
$3,335 SGD
View
Most Expensive
B
Brilliant Earth
9181572A · Nov 5
$3,372 SGD
$2,640 USD
View
15 more retailers have this diamond
Prices start from $644 SGDSave up to $2,728 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
2.09ct Round
$644 SGD