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Round|Lab Grown|IGI

0.90ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG519258722

Shape and cutting style on the report: Round brilliant

Certificate IGI LG519258722

Diamond specifications and retailer prices

From $150 USD
As of November 1, 2026
Save $721 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $871 USD 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519258722 or 519258722. Listed at 12 retailers as of November 1, 2026, with prices from $150 to $871, a $721 spread on the same certified stone. MOH London lists it at $871. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519258722
Dimensions6.19 × 6.16 × 3.81 mm
L/W Ratio1.00
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
6.19 mm6.16 mm0.90 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519258722
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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: Nov 1
Current: $871 USD|Low: $131 USD|High: $881 USD|Avg: $467 USD|-1.2%
MOH London
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 2, 2026
Retailer 11$150 USD
Retailer 13$168 USD
Retailer 14$174 USD
Retailer 15$307 USD
Retailer 2$317 USD
Retailer 12$342 USD
Retailer 5$354 USD
Retailer 7$399 USD
Retailer 4$404 USD
Retailer 9$450 USD
Retailer 6$499 USD
Retailer 10$633 USD
Retailer 16$756 USD
Retailer 3$758 USD
Retailer 8$817 USD
MOH London$871 USD

21 data points across 16 retailers

12 retailers$150 USD to $871 USD

A
Cheapest Retailer
-
$150 USD
A
Retailer 2
-
$168 USD
View
Final sale: no returns
A
Retailer 3
-
$174 USD
View
A
Retailer 4
-
$307 USD
HK$2,400 HKD
View
A
Retailer 5
-
$317 USD
€302 EUR
View
A
Retailer 6
-
$342 USD
View
B+
Retailer 7
-
$450 USD
View
B+
Retailer 8
-
$520 USD
£409 GBP
View
B+
Retailer 9
-
$633 USD
View
B
Retailer 10
-
$756 USD
SGD 1,021 SGD
View
Most Expensive
B
MOH London
LG519258722 · Nov 1
$871 USD
£686 GBP
View
10 more retailers have this diamond
Prices start from $150 USDSave up to $721 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
$150 USD