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Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG771611290

Shape and cutting style on the report: Round brilliant

Certificate IGI LG771611290

Diamond specifications and retailer prices

From $152 USD
As of November 1, 2026
Save $727 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $879 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG771611290 or 771611290. Listed at 19 retailers as of November 1, 2026, with prices from $152 to $879, a $727 spread on the same certified stone. MOH London lists it at $879. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771611290
Dimensions6.36 × 6.41 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm6.41 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771611290
Side View
Table 55.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $879 USD|Low: $152 USD|High: $898 USD|Avg: $462 USD|-2.0%
MOH London
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
November 5, 2026
Retailer 14$152 USD
Retailer 5$169 USD
Retailer 4$176 USD
Retailer 15$189 USD
Retailer 2$324 USD
Retailer 13$342 USD
Retailer 9$346 USD
Retailer 11$382 USD
Retailer 12$469 USD
Retailer 3$506 USD
Retailer 7$518 USD
Retailer 16$538 USD
Retailer 10$579 USD
Retailer 17$606 USD
Retailer 8$612 USD
Retailer 18$640 USD
Retailer 6$661 USD
MOH London$879 USD

26 data points across 18 retailers

19 retailers$152 USD to $879 USD

A
Cheapest Retailer
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$152 USD
A
Retailer 2
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$169 USD
View
Final sale: no returns
A
Retailer 3
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$176 USD
View
A
Retailer 4
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$189 USD
View
A
Retailer 5
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$304 USD
View
A
Retailer 6
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$324 USD
View
A
Retailer 7
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$342 USD
View
A
Retailer 8
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$346 USD
View
A
Retailer 9
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$382 USD
View
B+
Retailer 10
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$469 USD
View
B+
Retailer 11
-
$506 USD
View
B+
Retailer 12
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$518 USD
View
B+
Retailer 13
-
$538 USD
View
Retailer 14
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$579 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
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$606 USD
View
B+
Retailer 16
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$612 USD
View
B
Retailer 17
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$640 USD
View
B+
Retailer 18
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$661 USD
View
Most Expensive
B
MOH London
LG771611290 · Nov 4
$879 USD
£692 GBP
View
18 more retailers have this diamond
Prices start from $152 USDSave up to $727 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
0.99ct Round
$152 USD