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Round|Lab Grown|IGI

3.10ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG668469451

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668469451

Diamond specifications and retailer prices

From $334 USD
As of November 5, 2026
Save $1,436 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,770 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668469451 or 668469451. Listed at 15 retailers as of November 4, 2026, with prices from $334 to $1,770, a $1,436 spread on the same certified stone. Rare Carat lists it at $1,770. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668469451
Dimensions9.34 × 9.36 × 5.77 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
9.34 mm9.36 mm3.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668469451
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.7%

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: $1,770 USD|Low: $334 USD|High: $4,266 USD|Avg: $1,200 USD|-24.0%
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
Retailer 17
November 6, 2026
Retailer 13$334 USD
Retailer 7$387 USD
Retailer 17$414 USD
Retailer 3$460 USD
Retailer 14$565 USD
Retailer 2$572 USD
Retailer 15$665 USD
Retailer 5$668 USD
Retailer 10$732 USD
Retailer 16$734 USD
Retailer 4$967 USD
Retailer 12$1,214 USD
Retailer 6$1,331 USD
Retailer 11$1,658 USD
Rare Carat$1,770 USD
Retailer 9$3,170 USD
Retailer 8$4,266 USD

11 data points across 17 retailers

15 retailers$334 USD to $1,770 USD

A
Cheapest Retailer
-
$334 USD
A
Retailer 2
-
$387 USD
View
A
Retailer 3
-
$414 USD
View
A
Retailer 4
-
$460 USD
View
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$572 USD
View
Retailer 7
-
$665 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$668 USD
View
A
Retailer 9
-
$732 USD
View
A
Retailer 10
-
$734 USD
View
A
Retailer 11
-
$967 USD
View
B+
Retailer 12
-
$1,214 USD
View
B+
Retailer 13
-
$1,331 USD
View
B
Retailer 14
-
$1,658 USD
View
Most Expensive
B
Rare Carat
KI4514694KF668 · Nov 4
$1,770 USD
View
14 more retailers have this diamond
Prices start from $334 USDSave up to $1,436 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
$334 USD