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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG693550596

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

Certificate IGI LG693550596

Diamond specifications and retailer prices

From $211 USD
As of October 30, 2026
Save $1,339 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,550 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG693550596 or 693550596. Listed at 24 retailers as of October 30, 2026, with prices from $211 to $1,550, a $1,339 spread on the same certified stone. Brilliant Earth lists it at $1,550. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693550596
Dimensions6.78 × 6.18 × 4.23 mm
L/W Ratio1.10
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
6.78 mm6.18 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693550596
Side View
Table 68.0%Crown 47.4°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,550 USD|Low: $202 USD|High: $1,760 USD|Avg: $627 USD|-11.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 18$211 USD
Retailer 14$235 USD
Retailer 7$244 USD
Retailer 4$261 USD
Retailer 8$261 USD
Retailer 15$370 USD
Retailer 13$423 USD
Retailer 2$451 USD
Retailer 12$482 USD
Retailer 9$516 USD
Retailer 16$610 USD
Retailer 6$839 USD
Retailer 17$842 USD
Retailer 5$886 USD
Retailer 10$1,021 USD
Retailer 11$1,046 USD
Retailer 3$1,080 USD
Brilliant Earth$1,550 USD

43 data points across 18 retailers

24 retailers$211 USD to $1,550 USD

A
Cheapest Retailer
-
$211 USD
A
Retailer 2
-
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$244 USD
View
Retailer 4
-
$261 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$261 USD
View
A
Retailer 6
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 7
-
$370 USD
View
A
Retailer 8
-
$423 USD
€403 EUR
View
A
Retailer 9
-
$451 USD
ZAR 7,279 ZAR
View
A
Retailer 10
-
$482 USD
£380 GBP
View
A
Retailer 11
-
$515 USD
View
A
Retailer 12
-
$516 USD
View
A
Retailer 13
-
$610 USD
A$938 AUD
View
B+
Retailer 14
-
$839 USD
View
B+
Retailer 15
-
$842 USD
View
B+
Retailer 16
-
$849 USD
SGD 1,147 SGD
View
B+
Retailer 17
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$886 USD
View
B+
Retailer 18
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$892 USD
View
B
Retailer 19
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$1,021 USD
£804 GBP
View
B
Retailer 20
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$1,046 USD
£824 GBP
View
B
Retailer 21
-
$1,063 USD
View
Retailer 22
-
$1,080 USD
View
Price last confirmed 18 days ago
B
Retailer 23
-
$1,227 USD
View
Most Expensive
B
Brilliant Earth
17804875A · Oct 31
$1,550 USD
View
23 more retailers have this diamond
Prices start from $211 USDSave up to $1,339 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
$211 USD