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Round|Lab Grown|IGI

2.09ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG778667403

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778667403

Diamond specifications and retailer prices

From $354 SGD
As of November 5, 2026
Save $1,626 SGD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,980 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 IGI LG778667403 or 778667403. Listed at 16 retailers as of November 5, 2026, with prices from $354 to $1,980, a $1,626 spread on the same certified stone. Brilliant Earth lists it at $1,980. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778667403
Dimensions8.28 × 8.23 × 4.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm8.23 mm2.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778667403
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

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: $1,980 SGD|Low: $345 SGD|High: $2,095 SGD|Avg: $942 SGD|-5.5%
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 8$354 SGD
Retailer 16$411 SGD
Retailer 5$439 SGD
Retailer 6$439 SGD
Retailer 7$590 SGD
Retailer 3$639 SGD
Retailer 15$639 SGD
Retailer 2$719 SGD
Retailer 10$759 SGD
Retailer 17$838 SGD
Retailer 14$844 SGD
Retailer 4$898 SGD
Retailer 13$1,134 SGD
Retailer 9$1,411 SGD
Retailer 12$1,482 SGD
Retailer 11$1,755 SGD
Brilliant Earth$1,980 SGD

44 data points across 17 retailers

16 retailers$354 SGD to $1,980 SGD

A
Cheapest Retailer
-
$354 SGD
A
Retailer 2
-
$411 SGD
View
A
Retailer 3
-
$439 SGD
View
Retailer 4
-
$439 SGD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$590 SGD
View
A
Retailer 6
-
$639 SGD
View
A
Retailer 7
-
$719 SGD
View
A
Retailer 8
-
$759 SGD
View
A
Retailer 9
-
$838 SGD
View
A
Retailer 10
-
$844 SGD
View
A
Retailer 11
-
$898 SGD
View
B+
Retailer 12
-
$1,134 SGD
View
B+
Retailer 13
-
$1,411 SGD
View
B+
Retailer 14
-
$1,482 SGD
View
B
Retailer 15
-
$1,755 SGD
View
Most Expensive
B
Brilliant Earth
18492787A · Nov 5
$1,980 SGD
$1,550 USD
View
15 more retailers have this diamond
Prices start from $354 SGDSave up to $1,626 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
$354 SGD