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Round|Lab Grown|IGI

0.90ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG455035501

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455035501

Diamond specifications and retailer prices

From $676 NZD
$381 USD
As of November 1, 2026
Save $2,603 NZD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,279 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455035501 or 455035501. Listed at 10 retailers as of November 1, 2026, with prices from $676 to $3,279, a $2,603 spread on the same certified stone. MOH London lists it at $3,279. 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

0.90
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455035501
Dimensions6.05 × 6.12 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.05 mm6.12 mm0.90 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455035501
Side View
Table 60.5%Crown 36.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.2%

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: $3,279 NZD|Low: $676 NZD|High: $3,371 NZD|Avg: $1,738 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$676 NZD
Retailer 7$758 NZD
Retailer 5$839 NZD
Retailer 2$923 NZD
Retailer 6$1,336 NZD
Retailer 9$1,524 NZD
Retailer 8$1,615 NZD
Retailer 3$2,354 NZD
MOH London$3,279 NZD
Retailer 10$3,371 NZD

18 data points across 10 retailers

10 retailers$676 NZD to $3,279 NZD

A
Cheapest Retailer
-
$676 NZD
$381 USD
A
Retailer 2
-
$758 NZD
$427 USD
View
Final sale: no returns
A
Retailer 3
-
$758 NZD
$427 USD
View
A
Retailer 4
-
$839 NZD
$473 USD
View
Retailer 5
-
$839 NZD
$473 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$923 NZD
$520 USD
View
B+
Retailer 7
-
$1,336 NZD
$753 USD
View
B+
Retailer 8
-
$2,354 NZD
$1,327 USD
View
B
Retailer 9
-
$2,697 NZD
$1,520 USD
View
Most Expensive
B
MOH London
LG455035501 · Nov 1
$3,279 NZD
£1,455 GBP
View
9 more retailers have this diamond
Prices start from $676 NZDSave up to $2,603 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
0.90ct Round
$676 NZD