Radiant|Lab Grown|IGI

0.99ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG639405669

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

Certificate IGI LG639405669

Diamond specifications and retailer prices

From $200 USD
As of October 30, 2026
Save $993 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,193 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG639405669 or 639405669. Listed at 19 retailers as of October 30, 2026, with prices from $200 to $1,193, a $993 spread on the same certified stone. Reve Diamonds lists it at $1,193. 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 angle37.8°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639405669
Dimensions7.46 × 4.78 × 3.08 mm
L/W Ratio1.56
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm4.78 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639405669
Side View
Table 64.0%Crown 37.8°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 64.4%

Caratlytics Score

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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 30
Current: $454 USD|Low: $192 USD|High: $1,173 USD|Avg: $487 USD|+4.5%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14$200 USD
Retailer 6$223 USD
Retailer 4$232 USD
Retailer 2$248 USD
Retailer 5$248 USD
Retailer 12$403 USD
Retailer 7$448 USD
Retailer 1$454 USD
Retailer 11$525 USD
Retailer 8$608 USD
Retailer 9$619 USD
Retailer 13$636 USD
Retailer 3$797 USD
Retailer 10$1,161 USD

44 data points across 14 retailers

19 retailers$200 USD to $1,193 USD

A
Cheapest Retailer
-
$200 USD
A
Retailer 2
-
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$232 USD
View
A
Retailer 4
-
$248 USD
View
A
Retailer 5
-
$248 USD
View
A
Retailer 6
-
$287 USD
View
A
Retailer 7
-
$335 USD
View
Retailer 8
-
$403 USD
€384 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$448 USD
ZAR 7,241 ZAR
View
B+
Retailer 10
-
$454 USD
£358 GBP
View
B+
Retailer 11
-
$525 USD
View
B+
Retailer 12
-
$608 USD
A$935 AUD
View
B+
Retailer 13
-
$619 USD
A$953 AUD
View
B
Retailer 14
-
$636 USD
View
B
Retailer 15
-
$797 USD
View
B
Retailer 16
-
$840 USD
View
B
Retailer 17
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$850 USD
View
B
Retailer 18
-
$1,161 USD
£914 GBP
View
Most Expensive
B
Reve Diamonds
7BAD026E8 · Oct 30
$1,193 USD
View
18 more retailers have this diamond
Prices start from $200 USDSave up to $993 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
$200 USD