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Radiant|Lab Grown|IGI

6.30ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG831655372

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

Certificate IGI LG831655372

Diamond specifications and retailer prices

From $3,044 AUD
$2,138 USD
As of November 1, 2026
Save $8,845 AUD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,888 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 6.3ct lab-grown radiant diamond

This 6.3ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831655372 or 831655372. Listed at 11 retailers as of October 31, 2026, with prices from $3,044 to $11,888, a $8,845 spread on the same certified stone. With Clarity lists it at $11,888. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.30
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831655372
Dimensions12.83 × 8.59 × 6.41 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.83 mm8.59 mm6.30 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831655372
Side View
Table 68.0%Crown 49.5°Girdle: ThickPavilion 40.9°Culet: NoneDepth 74.6%

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: Nov 1
Current: $3,502 AUD|Low: $2,924 AUD|High: $21,966 AUD|Avg: $7,700 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 10$3,044 AUD
Retailer 3$3,458 AUD
Retailer 1$3,502 AUD
Retailer 5$4,332 AUD
Retailer 9$5,314 AUD
Retailer 7$7,031 AUD
Retailer 4$7,553 AUD
Retailer 2$8,613 AUD
Retailer 8$8,655 AUD
Retailer 6$11,289 AUD
With Clarity$11,651 AUD

38 data points across 11 retailers

11 retailers$3,044 AUD to $11,888 AUD

A
Cheapest Retailer
-
$3,044 AUD
$2,138 USD
A
Retailer 2
-
$3,458 AUD
£1,912 GBP
View
A
Retailer 3
-
$3,502 AUD
$2,460 USD
View
B+
Retailer 4
-
$4,332 AUD
€2,898 EUR
View
B+
Retailer 5
-
$5,314 AUD
$3,733 USD
View
B
Retailer 6
-
$7,031 AUD
£3,889 GBP
View
B
Retailer 7
-
$7,553 AUD
View
B
Retailer 8
-
$8,613 AUD
$6,050 USD
View
Retailer 9
-
$8,655 AUD
$6,080 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$11,289 AUD
$7,930 USD
View
Most Expensive
B
With Clarity
831655372 · Oct 31
$11,888 AUD
$8,351 USD
View
10 more retailers have this diamond
Prices start from $3,044 AUDSave up to $8,845 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
6.30ct Radiant
$3,044 AUD