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Round|Lab Grown|IGI

3.10ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG720533134

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720533134

Diamond specifications and retailer prices

From $389 USD
As of November 5, 2026
Save $1,806 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,195 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 LG720533134 or 720533134. Listed at 15 retailers as of November 4, 2026, with prices from $389 to $2,195, a $1,806 spread on the same certified stone. Rare Carat lists it at $2,195. 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 angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720533134
Dimensions9.36 × 9.40 × 5.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm9.40 mm3.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720533134
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.9°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: $2,195 USD|Low: $389 USD|High: $4,060 USD|Avg: $1,192 USD|-11.4%
Rare Carat
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
November 6, 2026
Retailer 12$389 USD
Retailer 7$436 USD
Retailer 6$483 USD
Retailer 16$537 USD
Retailer 13$630 USD
Retailer 9$640 USD
Retailer 14$765 USD
Retailer 4$766 USD
Retailer 15$794 USD
Retailer 2$864 USD
Retailer 3$1,132 USD
Retailer 11$1,354 USD
Retailer 5$1,552 USD
Retailer 10$1,885 USD
Rare Carat$2,195 USD
Retailer 8$4,060 USD

11 data points across 16 retailers

15 retailers$389 USD to $2,195 USD

A
Cheapest Retailer
-
$389 USD
A
Retailer 2
-
$436 USD
View
A
Retailer 3
-
$483 USD
View
A
Retailer 4
-
$537 USD
View
A
Retailer 5
-
$630 USD
View
A
Retailer 6
-
$640 USD
View
Retailer 7
-
$765 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$766 USD
View
A
Retailer 9
-
$794 USD
View
A
Retailer 10
-
$864 USD
View
B+
Retailer 11
-
$1,132 USD
View
B+
Retailer 12
-
$1,354 USD
View
B+
Retailer 13
-
$1,552 USD
View
B
Retailer 14
-
$1,885 USD
View
Most Expensive
B
Rare Carat
KI1345331KF720 · Nov 4
$2,195 USD
View
14 more retailers have this diamond
Prices start from $389 USDSave up to $1,806 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
$389 USD