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1.02ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG805694146

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805694146

Diamond specifications and retailer prices

From $309 NZD
$174 USD
As of November 1, 2026
Save $1,485 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,794 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805694146 or 805694146. Listed at 13 retailers as of November 1, 2026, with prices from $309 to $1,794, a $1,485 spread on the same certified stone. MOH London lists it at $1,794. 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

1.02
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805694146
Dimensions6.42 × 6.39 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm6.39 mm1.02 ctI / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805694146
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

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 1
Current: $1,794 NZD|Low: $293 NZD|High: $1,814 NZD|Avg: $861 NZD|-0.1%
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 4$309 NZD
Retailer 8$346 NZD
Retailer 5$383 NZD
Retailer 7$383 NZD
Retailer 6$681 NZD
Retailer 11$718 NZD
Retailer 10$834 NZD
Retailer 9$944 NZD
Retailer 2$1,302 NZD
Retailer 3$1,330 NZD
MOH London$1,794 NZD

18 data points across 11 retailers

13 retailers$309 NZD to $1,794 NZD

A
Cheapest Retailer
-
$309 NZD
$174 USD
A
Retailer 2
-
$346 NZD
$195 USD
View
Final sale: no returns
A
Retailer 3
-
$358 NZD
$202 USD
View
A
Retailer 4
-
$383 NZD
$216 USD
View
Retailer 5
-
$383 NZD
$216 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$681 NZD
$384 USD
View
Retailer 7
-
$718 NZD
$405 USD
View
Price last confirmed 98 days ago
B+
Retailer 8
-
$834 NZD
$470 USD
View
B+
Retailer 9
-
$944 NZD
$532 USD
View
B+
Retailer 10
-
$1,233 NZD
$695 USD
View
B+
Retailer 11
-
$1,302 NZD
$734 USD
View
B+
Retailer 12
-
$1,330 NZD
$749 USD
View
Most Expensive
B+
MOH London
LG805694146 · Nov 1
$1,794 NZD
£796 GBP
View
12 more retailers have this diamond
Prices start from $309 NZDSave up to $1,485 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
1.02ct Round
$309 NZD