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Round|Lab Grown|IGI

0.90ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG445038921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445038921

Diamond specifications and retailer prices

From $300 USD
As of October 29, 2026
Save $895 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,497 USD at MOH London · As of October 21, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038921 or 445038921. Listed at 11 retailers as of October 27, 2026, with a 298% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038921
Dimensions6.12 × 6.10 × 3.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.12 mm6.10 mm0.90 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038921
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.5%

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: Oct 29
Current: $1,497 USD|Low: $300 USD|High: $1,695 USD|Avg: $799 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$300 USD
Retailer 8$335 USD
Retailer 6$372 USD
Retailer 2$477 USD
Retailer 5$590 USD
Retailer 7$608 USD
Retailer 3$1,142 USD
MOH London$1,497 USD
Retailer 9$1,695 USD

34 data points across 9 retailers

11 retailers$300 USD to $1,195 USD

A
Cheapest Retailer
-
$300 USD
A
Retailer 2
-
$335 USD
View
Final sale: no returns
A
Retailer 3
-
$348 USD
View
A
Retailer 4
-
$372 USD
View
A
Retailer 5
-
$372 USD
View
A
Retailer 6
-
$477 USD
£376 GBP
View
B+
Retailer 7
-
$590 USD
View
B+
Retailer 8
-
$608 USD
View
B+
Retailer 9
-
$1,142 USD
View
B
Retailer 10
-
$1,195 USD
View
Most Expensive
MOH London
LG445038921 · Oct 21
$1,497 USD
£1,179 GBP
View
Price last confirmed 9 days ago
10 more retailers have this diamond
Prices start from $300 USDSave up to $895 USD

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
$300 USD