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Radiant|Lab Grown|IGI

1.51ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG669420104

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

Certificate IGI LG669420104

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)
24 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 LG669420104 or 669420104. Listed at 24 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669420104
Dimensions8.42 × 5.64 × 3.71 mm
L/W Ratio1.49
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
8.42 mm5.64 mm1.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669420104
Side View
Table 66.0%Crown 42.2°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 65.8%

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 4
Current: $601 USD|Low: $246 USD|High: $1,375 USD|Avg: $760 USD|+1.3%
Retailer 1
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Retailer 22
Reve Diamonds
November 5, 2026
Retailer 3$257 USD
Retailer 20$287 USD
Retailer 22$298 USD
Retailer 2$318 USD
Retailer 11$371 USD
Retailer 6$450 USD
Retailer 19$480 USD
Retailer 18$528 USD
Retailer 16$549 USD
Retailer 10$581 USD
Retailer 1$601 USD
Retailer 8$675 USD
Retailer 7$704 USD
Retailer 12$744 USD
Retailer 5$978 USD
Retailer 4$1,023 USD
Retailer 15$1,040 USD
Retailer 13$1,074 USD
Retailer 14$1,075 USD
Retailer 9$1,253 USD
Retailer 17$1,275 USD
Retailer 21$1,279 USD
Reve Diamonds$1,375 USD

36 data points across 23 retailers

24 retailers$257 USD to $1,375 USD

A
Cheapest Retailer
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$257 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
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$298 USD
View
A
Retailer 4
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$318 USD
View
A
Retailer 5
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$371 USD
View
B+
Retailer 6
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$450 USD
View
A
Retailer 7
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$480 USD
View
A
Retailer 8
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$528 USD
View
A
Retailer 9
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$549 USD
View
A
Retailer 10
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$581 USD
View
A
Retailer 11
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$601 USD
View
A
Retailer 12
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$675 USD
View
B+
Retailer 13
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$704 USD
View
B+
Retailer 14
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$744 USD
View
B+
Retailer 15
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$978 USD
View
B+
Retailer 16
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$1,023 USD
View
B+
Retailer 17
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$1,040 USD
View
B+
Retailer 18
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$1,074 USD
View
B+
Retailer 19
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$1,075 USD
View
B
Retailer 20
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$1,253 USD
View
B
Retailer 21
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$1,275 USD
View
B
Retailer 22
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$1,279 USD
View
B
Retailer 23
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$1,372 USD
View
Most Expensive
B
Reve Diamonds
DF1F88327 · Nov 4
$1,375 USD
View
23 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