Radiant|Lab Grown|IGI

0.99ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG610346637

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG610346637

Diamond specifications and retailer prices

From $139 USD
As of October 30, 2026
Save $1,372 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,511 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant 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 LG610346637 or 610346637. Listed at 24 retailers as of October 28, 2026, with prices from $139 to $1,511, a $1,372 spread on the same certified stone. Queensmith lists it at $1,511. 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
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG610346637
Dimensions7.27 × 4.95 × 3.09 mm
L/W Ratio1.47
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
7.27 mm4.95 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG610346637
Side View
Table 69.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
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 30
Current: $158 USD|Low: $133 USD|High: $838 USD|Avg: $409 USD|-15.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 2$139 USD
Retailer 1$158 USD
Retailer 3$172 USD
Retailer 11$172 USD
Retailer 6$299 USD
Retailer 10$311 USD
Retailer 12$314 USD
Retailer 9$327 USD
Retailer 4$417 USD
Retailer 13$434 USD
Retailer 7$540 USD
Retailer 8$808 USD
Retailer 5$838 USD

40 data points across 13 retailers

24 retailers$139 USD to $1,511 USD

A
Cheapest Retailer
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$139 USD
Retailer 2
-
$139 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$139 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$139 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$158 USD
View
Final sale: no returns
A
Retailer 6
-
$161 USD
View
Retailer 7
-
$170 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
$172 USD
View
Retailer 9
-
$172 USD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$232 USD
View
A
Retailer 11
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$299 USD
£235 GBP
View
A
Retailer 12
-
$311 USD
ZAR 5,019 ZAR
View
Retailer 13
-
$314 USD
€299 EUR
View
Price last confirmed 7 days ago
A
Retailer 14
-
$327 USD
£257 GBP
View
A
Retailer 15
-
$337 USD
View
B+
Retailer 16
-
$417 USD
View
B+
Retailer 17
-
$434 USD
View
B+
Retailer 18
-
$528 USD
£415 GBP
View
B+
Retailer 19
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$540 USD
View
Retailer 20
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$553 USD
View
Price last confirmed 30 days ago
B+
Retailer 21
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$608 USD
View
B
Retailer 22
-
$808 USD
£636 GBP
View
B
Retailer 23
-
$998 USD
View
Most Expensive
B
Queensmith
LG610346637 · Oct 28
$1,511 USD
£1,190 GBP
View
23 more retailers have this diamond
Prices start from $139 USDSave up to $1,372 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 Radiant
$139 USD