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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 $1,243 NZD
As of November 5, 2026
Save $4,409 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,653 NZD at MOH London · As of November 5, 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 November 5, 2026, with prices from $1,243 to $5,653, a $4,409 spread on the same certified stone. MOH London lists it at $5,653. 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
Colour
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: Nov 5
Current: $5,653 NZD|Low: $1,195 NZD|High: $5,736 NZD|Avg: $2,475 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$1,243 NZD
Retailer 9$1,354 NZD
Retailer 11$1,393 NZD
Retailer 2$1,405 NZD
Retailer 7$1,443 NZD
Retailer 3$1,464 NZD
Retailer 12$2,309 NZD
Retailer 8$2,346 NZD
Retailer 4$3,230 NZD
Retailer 5$3,556 NZD
Retailer 10$4,058 NZD
MOH London$5,653 NZD

14 data points across 12 retailers

10 retailers$1,243 NZD to $5,653 NZD

A
Cheapest Retailer
-
$1,243 NZD
A
Retailer 2
-
$1,354 NZD
View
A
Retailer 3
-
$1,393 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,405 NZD
View
A
Retailer 5
-
$1,443 NZD
View
Retailer 6
-
$1,443 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,346 NZD
View
B
Retailer 8
-
$3,556 NZD
View
B
Retailer 9
-
$4,058 NZD
View
Most Expensive
B
MOH London
LG496102564 · Nov 5
$5,653 NZD
£2,502 GBP
View
9 more retailers have this diamond
Prices start from $1,243 NZDSave up to $4,409 NZD

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
$1,243 NZD