CaratHunter
Plans
Round|Lab Grown|IGI

1.38ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG425064818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425064818

Diamond specifications and retailer prices

From $1,236 NZD
As of November 5, 2026
Save $4,378 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,614 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.38ct lab-grown round diamond

This 1.38ct 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 LG425064818 or 425064818. Listed at 10 retailers as of November 5, 2026, with prices from $1,236 to $5,614, a $4,378 spread on the same certified stone. MOH London lists it at $5,614. 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

1.38
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425064818
Dimensions7.32 × 7.30 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.32 mm7.30 mm1.38 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425064818
Side View
Table 58.5%Crown 31.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 58.8%

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: Nov 5
Current: $5,614 NZD|Low: $1,187 NZD|High: $5,698 NZD|Avg: $2,529 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$1,236 NZD
Retailer 8$1,345 NZD
Retailer 10$1,382 NZD
Retailer 2$1,388 NZD
Retailer 6$1,434 NZD
Retailer 11$2,297 NZD
Retailer 7$2,332 NZD
Retailer 3$3,207 NZD
Retailer 4$3,531 NZD
Retailer 9$4,031 NZD
MOH London$5,614 NZD

15 data points across 11 retailers

10 retailers$1,236 NZD to $5,614 NZD

A
Cheapest Retailer
-
$1,236 NZD
A
Retailer 2
-
$1,345 NZD
View
A
Retailer 3
-
$1,382 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,388 NZD
View
Retailer 5
-
$1,434 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,434 NZD
View
B
Retailer 7
-
$2,332 NZD
View
B
Retailer 8
-
$3,531 NZD
View
B
Retailer 9
-
$4,031 NZD
View
Most Expensive
B
MOH London
LG425064818 · Nov 5
$5,614 NZD
£2,485 GBP
View
9 more retailers have this diamond
Prices start from $1,236 NZDSave up to $4,378 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
1.38ct Round
$1,236 NZD