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 $897 NZD
As of November 5, 2026
Save $3,800 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,696 NZD 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 $897 to $4,696, a $3,800 spread on the same certified stone. Brilliant Earth lists it at $4,696. 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

How it works →
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: $4,696 NZD|Low: $861 NZD|High: $4,700 NZD|Avg: $1,950 NZD
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$897 NZD
Retailer 3$1,005 NZD
Retailer 5$1,005 NZD
Retailer 14$1,112 NZD
Retailer 10$1,361 NZD
Retailer 11$1,494 NZD
Retailer 4$1,549 NZD
Retailer 2$1,617 NZD
Retailer 7$1,667 NZD
Retailer 13$2,144 NZD
Retailer 9$2,441 NZD
Retailer 6$2,926 NZD
Retailer 8$4,645 NZD
Brilliant Earth$4,696 NZD

43 data points across 14 retailers

16 retailers$897 NZD to $4,696 NZD

A
Cheapest Retailer
-
$897 NZD
A
Retailer 2
-
$1,005 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,005 NZD
View
Retailer 4
-
$1,112 NZD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,112 NZD
View
B+
Retailer 6
-
$1,361 NZD
View
B+
Retailer 7
-
$1,494 NZD
View
B+
Retailer 8
-
$1,494 NZD
View
B+
Retailer 9
-
$1,549 NZD
View
B+
Retailer 10
-
$1,617 NZD
View
B+
Retailer 11
-
$1,667 NZD
View
Retailer 12
-
$2,144 NZD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$2,441 NZD
View
B
Retailer 14
-
$2,926 NZD
View
B
Retailer 15
-
$4,645 NZD
View
Most Expensive
B
Brilliant Earth
9181572A · Nov 5
$4,696 NZD
$2,640 USD
View
15 more retailers have this diamond
Prices start from $897 NZDSave up to $3,800 NZD

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
$897 NZD