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Round|Lab Grown|IGI

1.00ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG492123560

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123560

Diamond specifications and retailer prices

From $937 NZD
As of November 5, 2026
Save $3,899 NZD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,837 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123560 or 492123560. Listed at 9 retailers as of November 5, 2026, with prices from $937 to $4,837, a $3,899 spread on the same certified stone. MOH London lists it at $4,837. 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123560
Dimensions6.32 × 6.36 × 4.03 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
6.32 mm6.36 mm1.00 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG492123560
Side View
Table 57.5%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.5%

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: $4,837 NZD|Low: $900 NZD|High: $4,909 NZD|Avg: $2,081 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$937 NZD
Retailer 2$1,032 NZD
Retailer 7$1,050 NZD
Retailer 5$1,162 NZD
Retailer 6$1,798 NZD
Retailer 8$2,430 NZD
Retailer 3$2,999 NZD
MOH London$4,837 NZD

12 data points across 8 retailers

9 retailers$937 NZD to $4,837 NZD

A
Cheapest Retailer
-
$937 NZD
A
Retailer 2
-
$1,032 NZD
View
A
Retailer 3
-
$1,050 NZD
View
A
Retailer 4
-
$1,162 NZD
View
Retailer 5
-
$1,162 NZD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$1,798 NZD
View
B
Retailer 7
-
$2,999 NZD
View
B
Retailer 8
-
$3,056 NZD
View
Most Expensive
B
MOH London
LG492123560 · Nov 5
$4,837 NZD
£2,141 GBP
View
8 more retailers have this diamond
Prices start from $937 NZDSave up to $3,899 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
1.00ct Round
$937 NZD