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Radiant|Lab Grown|IGI

1.51ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG644456431

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

Certificate IGI LG644456431

Diamond specifications and retailer prices

From $246 USD
As of November 2, 2026
Save $1,094 USD (82%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $1,340 USD at Reve Diamonds · As of November 1, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG644456431 or 644456431. Listed at 29 retailers as of November 1, 2026, with prices from $246 to $1,340, a $1,094 spread on the same certified stone. Reve Diamonds lists it at $1,340. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644456431
Dimensions5.81 × 5.81 × 3.81 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
5.81 mm5.81 mm1.51 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644456431
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $579 USD|Low: $246 USD|High: $1,340 USD|Avg: $760 USD|-4.2%
Retailer 1
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Retailer 21
Retailer 22
Reve Diamonds
November 2, 2026
Retailer 3$246 USD
Retailer 18$274 USD
Retailer 15$304 USD
Retailer 2$358 USD
Retailer 4$432 USD
Retailer 17$508 USD
Retailer 12$526 USD
Retailer 7$555 USD
Retailer 1$579 USD
Retailer 5$579 USD
Retailer 14$585 USD
Retailer 8$671 USD
Retailer 19$710 USD
Retailer 22$983 USD
Retailer 11$991 USD
Retailer 9$1,032 USD
Retailer 10$1,035 USD
Retailer 13$1,043 USD
Retailer 20$1,065 USD
Retailer 6$1,200 USD
Retailer 16$1,222 USD
Retailer 21$1,315 USD
Reve Diamonds$1,340 USD

37 data points across 23 retailers

29 retailers$246 USD to $1,340 USD

A
Cheapest Retailer
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$246 USD
Retailer 2
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$262 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$274 USD
View
Final sale: no returns
Retailer 4
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$304 USD
View
Price last confirmed 36 days ago
Retailer 5
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$305 USD
View
Price last confirmed 30 days ago
Retailer 6
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$320 USD
View
Price last confirmed 35 days ago
A
Retailer 7
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$358 USD
HK$2,800 HKD
View
B+
Retailer 8
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$432 USD
View
A
Retailer 9
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$508 USD
€484 EUR
View
A
Retailer 10
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$526 USD
ZAR 8,502 ZAR
View
A
Retailer 11
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$555 USD
View
Retailer 12
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$564 USD
£444 GBP
View
Price last confirmed 18 days ago
A
Retailer 13
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$579 USD
£456 GBP
View
A
Retailer 14
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$579 USD
View
B+
Retailer 15
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$671 USD
View
B+
Retailer 16
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$710 USD
A$1,093 AUD
View
B+
Retailer 17
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$980 USD
View
Retailer 18
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$980 USD
View
Price last confirmed 23 days ago
B+
Retailer 19
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$983 USD
View
B+
Retailer 20
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$991 USD
View
B+
Retailer 21
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$1,009 USD
£794 GBP
View
B+
Retailer 22
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$1,032 USD
View
B+
Retailer 23
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$1,035 USD
SGD 1,399 SGD
View
Retailer 24
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$1,043 USD
View
Price last confirmed 33 days ago
Retailer 25
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$1,065 USD
A$1,639 AUD
View
Price last confirmed 8 days ago
B
Retailer 26
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$1,200 USD
View
B
Retailer 27
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$1,222 USD
£962 GBP
View
Retailer 28
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$1,315 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Reve Diamonds
E7AE3D9F9 · Nov 1
$1,340 USD
View
28 more retailers have this diamond
Prices start from $246 USDSave up to $1,094 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
$246 USD