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Round|Lab Grown|IGI

3.10ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG652404408

Shape and cutting style on the report: Round brilliant

Certificate IGI LG652404408

Diamond specifications and retailer prices

From $499 USD
As of November 4, 2026
Save $1,686 USD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,185 USD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.1ct lab-grown round diamond

This 3.1ct 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 IGI LG652404408 or 652404408. Listed at 7 retailers as of November 4, 2026, with prices from $499 to $2,185, a $1,686 spread on the same certified stone. Rare Carat lists it at $2,185. 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

3.10
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652404408
Dimensions9.37 × 9.42 × 5.71 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
9.37 mm9.42 mm3.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652404408
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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: $2,185 USD|Low: $499 USD|High: $4,574 USD|Avg: $1,532 USD|+2.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$499 USD
Retailer 4$724 USD
Retailer 7$726 USD
Retailer 3$809 USD
Retailer 6$1,124 USD
Retailer 8$1,419 USD
Retailer 2$1,769 USD
Rare Carat$2,185 USD
Retailer 9$4,574 USD

9 data points across 9 retailers

7 retailers$499 USD to $2,185 USD

A
Cheapest Retailer
-
$499 USD
Retailer 2
-
$724 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$726 USD
View
A
Retailer 4
-
$809 USD
View
B+
Retailer 5
-
$1,124 USD
View
B
Retailer 6
-
$1,769 USD
View
Most Expensive
B
Rare Carat
KI4084044KF652 · Nov 4
$2,185 USD
View
6 more retailers have this diamond
Prices start from $499 USDSave up to $1,686 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
3.10ct Round
$499 USD