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0.90ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG497178855

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497178855

Diamond specifications and retailer prices

From $324 NZD
$182 USD
As of October 28, 2026
Save $1,236 NZD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,560 NZD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497178855 or 497178855. Listed at 8 retailers as of October 28, 2026, with prices from $324 to $1,560, a $1,236 spread on the same certified stone. MOH London lists it at $1,560. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497178855
Dimensions6.15 × 6.10 × 3.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.15 mm6.10 mm0.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497178855
Side View
Table 60.0%Crown 35.2°Girdle: ThickPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

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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: Oct 28
Current: $1,560 NZD|Low: $235 NZD|High: $1,698 NZD|Avg: $783 NZD|-8.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$324 NZD
Retailer 3$515 NZD
Retailer 2$575 NZD
Retailer 6$609 NZD
Retailer 9$678 NZD
Retailer 4$703 NZD
Retailer 5$892 NZD
Retailer 7$1,165 NZD
MOH London$1,560 NZD

38 data points across 9 retailers

8 retailers$324 NZD to $1,560 NZD

A
Cheapest Retailer
-
$324 NZD
$182 USD
Final sale: no returns
A
Retailer 2
-
$515 NZD
$289 USD
View
A
Retailer 3
-
$575 NZD
£254 GBP
View
A
Retailer 4
-
$609 NZD
$342 USD
View
B+
Retailer 5
-
$703 NZD
$395 USD
View
B+
Retailer 6
-
$892 NZD
$501 USD
View
B
Retailer 7
-
$1,165 NZD
$655 USD
View
Most Expensive
B
MOH London
LG497178855 · Oct 29
$1,560 NZD
£690 GBP
View
7 more retailers have this diamond
Prices start from $324 NZDSave up to $1,236 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
$324 NZD