Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG646481423

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

Certificate IGI LG646481423

Diamond specifications and retailer prices

From $245 USD
As of October 30, 2026
Save $1,091 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,336 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 LG646481423 or 646481423. Listed at 22 retailers as of October 30, 2026, with prices from $245 to $1,336, a $1,091 spread on the same certified stone. Reve Diamonds lists it at $1,336. 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 angle44.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646481423
Dimensions8.11 × 5.74 × 3.89 mm
L/W Ratio1.41
Culet sizePointed
Top View
8.11 mm5.74 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646481423
Side View
Table 66.0%Crown 44.4°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.8%

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: Oct 30
Current: $576 USD|Low: $245 USD|High: $1,353 USD|Avg: $663 USD|+16.7%
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Retailer 21
Reve Diamonds
October 30, 2026
Retailer 2$245 USD
Retailer 11$273 USD
Retailer 17$284 USD
Retailer 4$303 USD
Retailer 6$303 USD
Retailer 21$339 USD
Retailer 14$470 USD
Retailer 20$482 USD
Retailer 13$511 USD
Retailer 15$521 USD
Retailer 10$556 USD
Retailer 1$576 USD
Retailer 8$631 USD
Retailer 16$707 USD
Retailer 3$975 USD
Retailer 18$979 USD
Retailer 5$1,027 USD
Retailer 19$1,075 USD
Retailer 9$1,194 USD
Retailer 7$1,201 USD
Retailer 12$1,223 USD
Reve Diamonds$1,336 USD

32 data points across 22 retailers

22 retailers$245 USD to $1,336 USD

A
Cheapest Retailer
-
$245 USD
A
Retailer 2
-
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$284 USD
View
A
Retailer 4
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$303 USD
View
A
Retailer 5
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$303 USD
View
Retailer 6
-
$339 USD
£267 GBP
View
Price last confirmed 14 days ago
Retailer 7
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$482 USD
€459 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$511 USD
View
A
Retailer 9
-
$521 USD
ZAR 8,421 ZAR
View
A
Retailer 10
-
$556 USD
View
B+
Retailer 11
-
$576 USD
£453 GBP
View
A
Retailer 12
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$631 USD
View
B+
Retailer 13
-
$707 USD
A$1,088 AUD
View
B
Retailer 14
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$975 USD
View
B
Retailer 15
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$979 USD
View
B
Retailer 16
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$999 USD
£787 GBP
View
B+
Retailer 17
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$1,027 USD
View
Retailer 18
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$1,075 USD
View
Price last confirmed 12 days ago
B
Retailer 19
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$1,194 USD
View
B
Retailer 20
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$1,201 USD
View
B
Retailer 21
-
$1,223 USD
£963 GBP
View
Most Expensive
B
Reve Diamonds
4810AECDF · Oct 30
$1,336 USD
View
21 more retailers have this diamond
Prices start from $245 USDSave up to $1,091 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
$245 USD