Radiant|Lab Grown|IGI

1.51ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG668432669

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

Certificate IGI LG668432669

Diamond specifications and retailer prices

From $257 USD
As of November 4, 2026
Save $1,118 USD (81%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $1,375 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG668432669 or 668432669. Listed at 31 retailers as of November 4, 2026, with prices from $257 to $1,375, a $1,118 spread on the same certified stone. Reve Diamonds lists it at $1,375. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432669
Dimensions5.64 × 5.64 × 3.72 mm
L/W Ratio1.00
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
5.64 mm5.64 mm1.51 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432669
Side View
Table 62.0%Crown 40.3°Girdle: MediumPavilion 33.4°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $601 USD|Low: $257 USD|High: $1,301 USD|Avg: $656 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$257 USD
Retailer 10$287 USD
Retailer 6$335 USD
Retailer 4$450 USD
Retailer 11$480 USD
Retailer 9$528 USD
Retailer 8$549 USD
Retailer 1$601 USD
Retailer 7$744 USD
Retailer 12$978 USD
Retailer 5$1,272 USD
Retailer 3$1,294 USD

33 data points across 12 retailers

31 retailers$257 USD to $1,375 USD

A
Cheapest Retailer
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$257 USD
Retailer 2
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$257 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$266 USD
View
Price last confirmed 36 days ago
A
Retailer 4
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$287 USD
View
Final sale: no returns
Retailer 5
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$308 USD
View
Price last confirmed 39 days ago
Retailer 6
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$318 USD
View
Price last confirmed 33 days ago
Retailer 7
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$325 USD
View
Price last confirmed 37 days ago
A
Retailer 8
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$335 USD
View
A
Retailer 9
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$371 USD
View
B+
Retailer 10
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$450 USD
View
A
Retailer 11
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$480 USD
View
A
Retailer 12
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$528 USD
View
A
Retailer 13
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$549 USD
View
A
Retailer 14
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$581 USD
View
Retailer 15
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$592 USD
View
Price last confirmed 21 days ago
A
Retailer 16
-
$601 USD
View
A
Retailer 17
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$675 USD
View
B+
Retailer 18
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$704 USD
View
B+
Retailer 19
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$744 USD
View
B+
Retailer 20
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$978 USD
View
B+
Retailer 21
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$1,023 USD
View
Retailer 22
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$1,023 USD
View
Price last confirmed 26 days ago
B+
Retailer 23
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$1,040 USD
View
Retailer 24
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$1,059 USD
View
Price last confirmed 36 days ago
B+
Retailer 25
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$1,074 USD
View
B+
Retailer 26
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$1,075 USD
View
B
Retailer 27
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$1,253 USD
View
B
Retailer 28
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$1,272 USD
View
Retailer 29
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$1,294 USD
View
Price last confirmed 28 days ago
B
Retailer 30
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$1,372 USD
View
Most Expensive
B
Reve Diamonds
BEF634559 · Nov 4
$1,375 USD
View
30 more retailers have this diamond
Prices start from $257 USDSave up to $1,118 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
1.51ct Radiant
$257 USD