Round|Lab Grown|GIA

3.08ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6492513762

Certificate GIA 6492513762

Diamond specifications and retailer prices

From $993 USD
As of November 4, 2026
Save $3,847 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,840 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492513762. Listed at 13 retailers as of November 4, 2026, with prices from $993 to $4,840, a $3,847 spread on the same certified stone. Brilliant Earth lists it at $4,840. 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

3.08
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 6492513762
Dimensions9.38 × 9.41 × 5.69 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
9.38 mm9.41 mm3.08 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492513762
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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 4
Current: $4,840 USD|Low: $993 USD|High: $4,890 USD|Avg: $2,239 USD|-1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$993 USD
Retailer 3$1,143 USD
Retailer 8$1,145 USD
Retailer 10$1,336 USD
Retailer 9$1,382 USD
Retailer 5$1,661 USD
Retailer 2$1,714 USD
Retailer 7$2,202 USD
Retailer 4$2,962 USD
Retailer 6$3,839 USD
Retailer 12$4,041 USD
Brilliant Earth$4,840 USD

44 data points across 12 retailers

13 retailers$993 USD to $4,840 USD

A
Cheapest Retailer
-
$993 USD
Final sale: no returns
B+
Retailer 2
-
$1,143 USD
View
B+
Retailer 3
-
$1,145 USD
View
B+
Retailer 4
-
$1,336 USD
View
B+
Retailer 5
-
$1,382 USD
View
B+
Retailer 6
-
$1,661 USD
View
B+
Retailer 7
-
$1,714 USD
View
B
Retailer 8
-
$2,127 USD
View
B
Retailer 9
-
$2,202 USD
View
B
Retailer 10
-
$2,962 USD
View
B
Retailer 11
-
$3,839 USD
View
B
Retailer 12
-
$4,041 USD
View
Most Expensive
B
Brilliant Earth
10767457A · Nov 5
$4,840 USD
View
12 more retailers have this diamond
Prices start from $993 USDSave up to $3,847 USD

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
3.08ct Round
$993 USD