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Round|Lab Grown|IGI

2.71ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136691

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136691

Diamond specifications and retailer prices

From $1,510 USD
As of October 31, 2026
Save $6,869 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,379 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.71ct lab-grown round diamond

This 2.71ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136691 or 485136691. Listed at 12 retailers as of October 31, 2026, with prices from $1,510 to $8,379, a $6,869 spread on the same certified stone. MOH London lists it at $8,379. 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

2.71
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136691
Dimensions9.11 × 9.14 × 5.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.11 mm9.14 mm2.71 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136691
Side View
Table 58.0%Crown 31.5°GirdlePavilion 40.1°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $8,379 USD|Low: $1,510 USD|High: $8,492 USD|Avg: $4,049 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$1,510 USD
Retailer 5$2,850 USD
Retailer 10$3,192 USD
Retailer 7$3,306 USD
Retailer 9$3,306 USD
Retailer 11$3,465 USD
Retailer 2$3,934 USD
Retailer 3$4,011 USD
Retailer 4$4,750 USD
Retailer 8$5,142 USD
MOH London$8,379 USD

35 data points across 11 retailers

12 retailers$1,510 USD to $8,379 USD

A
Cheapest Retailer
-
$1,510 USD
B+
Retailer 2
-
$2,850 USD
View
B+
Retailer 3
-
$3,101 USD
View
B+
Retailer 4
-
$3,192 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,306 USD
View
Retailer 6
-
$3,306 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$3,465 USD
View
B
Retailer 8
-
$3,934 USD
£3,098 GBP
View
B
Retailer 9
-
$4,544 USD
View
B
Retailer 10
-
$4,750 USD
View
B
Retailer 11
-
$5,142 USD
View
Most Expensive
B
MOH London
LG485136691 · Nov 1
$8,379 USD
£6,598 GBP
View
11 more retailers have this diamond
Prices start from $1,510 USDSave up to $6,869 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
2.71ct Round
$1,510 USD