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Radiant|Lab Grown|IGI

1.56ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG646455600

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

Certificate IGI LG646455600

Diamond specifications and retailer prices

From $349 AUD
$245 USD
As of October 30, 2026
Save $1,553 AUD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,902 AUD at Reve Diamonds · As of November 1, 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 LG646455600 or 646455600. Listed at 22 retailers as of October 30, 2026, with prices from $349 to $1,902, a $1,553 spread on the same certified stone. Reve Diamonds lists it at $1,902. 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 angle43.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646455600
Dimensions8.26 × 5.64 × 3.84 mm
L/W Ratio1.46
Culet sizePointed
Top View
8.26 mm5.64 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646455600
Side View
Table 66.0%Crown 43.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,730 AUD|Low: $349 AUD|High: $1,902 AUD|Avg: $924 AUD|+9.4%
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
Retailer 19
Reve Diamonds
November 1, 2026
Retailer 3$349 AUD
Retailer 8$389 AUD
Retailer 18$404 AUD
Retailer 6$431 AUD
Retailer 17$431 AUD
Retailer 12$481 AUD
Retailer 14$659 AUD
Retailer 5$727 AUD
Retailer 15$742 AUD
Retailer 4$792 AUD
Retailer 13$813 AUD
Retailer 7$898 AUD
Retailer 16$1,007 AUD
Retailer 19$1,388 AUD
Retailer 2$1,394 AUD
Retailer 9$1,462 AUD
Retailer 11$1,700 AUD
Retailer 10$1,710 AUD
Retailer 1$1,730 AUD
Reve Diamonds$1,902 AUD

33 data points across 20 retailers

22 retailers$349 AUD to $1,902 AUD

A
Cheapest Retailer
-
$349 AUD
$245 USD
A
Retailer 2
-
$389 AUD
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$404 AUD
$284 USD
View
Retailer 4
-
$431 AUD
$303 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$431 AUD
$303 USD
View
A
Retailer 6
-
$481 AUD
£266 GBP
View
A
Retailer 7
-
$659 AUD
€441 EUR
View
A
Retailer 8
-
$727 AUD
$511 USD
View
A
Retailer 9
-
$742 AUD
ZAR 8,421 ZAR
View
A
Retailer 10
-
$792 AUD
$556 USD
View
A
Retailer 11
-
$813 AUD
£450 GBP
View
B+
Retailer 12
-
$898 AUD
$631 USD
View
B+
Retailer 13
-
$1,007 AUD
View
B
Retailer 14
-
$1,388 AUD
$975 USD
View
B
Retailer 15
-
$1,394 AUD
$979 USD
View
B
Retailer 16
-
$1,422 AUD
£787 GBP
View
B
Retailer 17
-
$1,462 AUD
$1,027 USD
View
Retailer 18
-
$1,553 AUD
$1,091 USD
View
Price last confirmed 56 days ago
B
Retailer 19
-
$1,700 AUD
$1,194 USD
View
B
Retailer 20
-
$1,710 AUD
$1,201 USD
View
B
Retailer 21
-
$1,730 AUD
£957 GBP
View
Most Expensive
B
Reve Diamonds
AD300E95D · Nov 1
$1,902 AUD
$1,336 USD
View
21 more retailers have this diamond
Prices start from $349 AUDSave up to $1,553 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
$349 AUD