Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG646478161

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

Certificate IGI LG646478161

Diamond specifications and retailer prices

From $216 USD
As of October 30, 2026
Save $1,030 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,246 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct 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 LG646478161 or 646478161. Listed at 21 retailers as of October 30, 2026, with prices from $216 to $1,246, a $1,030 spread on the same certified stone. Reve Diamonds lists it at $1,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646478161
Dimensions8.44 × 5.64 × 3.79 mm
L/W Ratio1.50
Culet sizePointed
Top View
8.44 mm5.64 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646478161
Side View
Table 65.0%Crown 41.8°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.2%

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: Oct 30
Current: $463 USD|Low: $216 USD|High: $1,261 USD|Avg: $583 USD|+0.5%
Retailer 1
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Retailer 12
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Retailer 18
Reve Diamonds
October 31, 2026
Retailer 18$216 USD
Retailer 8$242 USD
Retailer 14$251 USD
Retailer 3$268 USD
Retailer 4$268 USD
Retailer 17$300 USD
Retailer 10$459 USD
Retailer 12$461 USD
Retailer 1$463 USD
Retailer 11$498 USD
Retailer 7$545 USD
Retailer 5$600 USD
Retailer 13$627 USD
Retailer 2$863 USD
Retailer 15$866 USD
Retailer 9$916 USD
Retailer 16$1,081 USD
Retailer 6$1,092 USD
Reve Diamonds$1,246 USD

40 data points across 19 retailers

21 retailers$216 USD to $1,246 USD

A
Cheapest Retailer
-
$216 USD
A
Retailer 2
-
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$251 USD
View
A
Retailer 4
-
$268 USD
View
A
Retailer 5
-
$268 USD
View
Retailer 6
-
$300 USD
£236 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$459 USD
View
A
Retailer 8
-
$461 USD
ZAR 7,448 ZAR
View
A
Retailer 9
-
$463 USD
€441 EUR
View
A
Retailer 10
-
$498 USD
£392 GBP
View
A
Retailer 11
-
$545 USD
View
A
Retailer 12
-
$600 USD
View
A
Retailer 13
-
$627 USD
A$964 AUD
View
B+
Retailer 14
-
$863 USD
View
B
Retailer 15
-
$866 USD
View
B+
Retailer 16
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$916 USD
View
B
Retailer 17
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$999 USD
£787 GBP
View
B
Retailer 18
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$1,081 USD
£851 GBP
View
Retailer 19
-
$1,091 USD
View
Price last confirmed 55 days ago
B
Retailer 20
-
$1,092 USD
View
Most Expensive
B
Reve Diamonds
4BCEF85D8 · Oct 30
$1,246 USD
View
20 more retailers have this diamond
Prices start from $216 USDSave up to $1,030 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
1.56ct Radiant
$216 USD