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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 $307 AUD
$216 USD
As of October 30, 2026
Save $1,466 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,774 AUD 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 $307 to $1,774, a $1,466 spread on the same certified stone. Reve Diamonds lists it at $1,774. 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
Colour
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

How it works →
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: $659 AUD|Low: $307 AUD|High: $1,795 AUD|Avg: $830 AUD|+0.5%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 18$307 AUD
Retailer 8$345 AUD
Retailer 14$357 AUD
Retailer 3$382 AUD
Retailer 4$382 AUD
Retailer 17$427 AUD
Retailer 10$653 AUD
Retailer 12$656 AUD
Retailer 1$659 AUD
Retailer 11$709 AUD
Retailer 7$776 AUD
Retailer 5$854 AUD
Retailer 13$892 AUD
Retailer 2$1,229 AUD
Retailer 15$1,233 AUD
Retailer 9$1,303 AUD
Retailer 16$1,539 AUD
Retailer 6$1,555 AUD
Reve Diamonds$1,774 AUD

39 data points across 19 retailers

21 retailers$307 AUD to $1,774 AUD

A
Cheapest Retailer
-
$307 AUD
$216 USD
A
Retailer 2
-
$345 AUD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$357 AUD
$251 USD
View
A
Retailer 4
-
$382 AUD
$268 USD
View
A
Retailer 5
-
$382 AUD
$268 USD
View
Retailer 6
-
$427 AUD
£236 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$653 AUD
$459 USD
View
A
Retailer 8
-
$656 AUD
ZAR 7,448 ZAR
View
A
Retailer 9
-
$659 AUD
€441 EUR
View
A
Retailer 10
-
$709 AUD
£392 GBP
View
A
Retailer 11
-
$776 AUD
$545 USD
View
A
Retailer 12
-
$854 AUD
$600 USD
View
A
Retailer 13
-
$892 AUD
View
B+
Retailer 14
-
$1,229 AUD
$863 USD
View
B
Retailer 15
-
$1,233 AUD
$866 USD
View
B+
Retailer 16
-
$1,303 AUD
$916 USD
View
B
Retailer 17
-
$1,422 AUD
£787 GBP
View
B
Retailer 18
-
$1,539 AUD
£851 GBP
View
Retailer 19
-
$1,553 AUD
$1,091 USD
View
Price last confirmed 55 days ago
B
Retailer 20
-
$1,555 AUD
$1,092 USD
View
Most Expensive
B
Reve Diamonds
4BCEF85D8 · Oct 30
$1,774 AUD
$1,246 USD
View
20 more retailers have this diamond
Prices start from $307 AUDSave up to $1,466 AUD

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
$307 AUD