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1.39ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG496102564

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496102564

Diamond specifications and retailer prices

From $699 USD
As of October 29, 2026
Save $2,504 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,203 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496102564 or 496102564. Listed at 10 retailers as of October 29, 2026, with prices from $699 to $3,203, a $2,504 spread on the same certified stone. MOH London lists it at $3,203. 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

1.39
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496102564
Dimensions7.18 × 7.12 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.18 mm7.12 mm1.39 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496102564
Side View
Table 62.0%Crown 34.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

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: Oct 29
Current: $3,203 USD|Low: $672 USD|High: $3,225 USD|Avg: $1,370 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6$699 USD
Retailer 9$761 USD
Retailer 11$783 USD
Retailer 2$790 USD
Retailer 7$811 USD
Retailer 3$823 USD
Retailer 12$1,298 USD
Retailer 8$1,319 USD
Retailer 4$1,816 USD
Retailer 5$1,999 USD
Retailer 10$2,281 USD
MOH London$3,203 USD

15 data points across 12 retailers

10 retailers$699 USD to $3,203 USD

A
Cheapest Retailer
-
$699 USD
A
Retailer 2
-
$761 USD
View
A
Retailer 3
-
$783 USD
View
Final sale: no returns
A
Retailer 4
-
$790 USD
View
A
Retailer 5
-
$811 USD
View
Retailer 6
-
$811 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,319 USD
View
B
Retailer 8
-
$1,999 USD
View
B
Retailer 9
-
$2,281 USD
View
Most Expensive
B
MOH London
LG496102564 · Oct 29
$3,203 USD
£2,522 GBP
View
9 more retailers have this diamond
Prices start from $699 USDSave up to $2,504 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
1.39ct Round
$699 USD