Radiant|Lab Grown|IGI

6.30ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG581318746

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

Certificate IGI LG581318746

Diamond specifications and retailer prices

From $1,100 USD
As of October 31, 2026
Save $4,360 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,460 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.3ct lab-grown radiant diamond

This 6.3ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581318746 or 581318746. Listed at 17 retailers as of October 31, 2026, with prices from $1,100 to $5,460, a $4,360 spread on the same certified stone. Brilliant Earth lists it at $5,460. 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581318746
Dimensions12.72 × 9.09 × 6.22 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.72 mm9.09 mm6.30 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581318746
Side View
Table 65.0%Crown 46°Girdle: MediumPavilion 35°Culet: NoneDepth 68.4%

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 31
Current: $5,460 USD|Low: $882 USD|High: $5,460 USD|Avg: $2,204 USD
Brilliant Earth
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
November 1, 2026
Retailer 6$893 USD
Retailer 9$915 USD
Retailer 14$1,100 USD
Retailer 10$1,409 USD
Retailer 17$1,427 USD
Retailer 5$1,495 USD
Retailer 11$1,524 USD
Retailer 12$1,716 USD
Retailer 13$1,792 USD
Retailer 15$2,202 USD
Retailer 16$2,410 USD
Retailer 7$2,926 USD
Retailer 3$3,129 USD
Retailer 4$3,202 USD
Retailer 8$3,310 USD
Retailer 2$3,471 USD
Brilliant Earth$5,460 USD

38 data points across 17 retailers

17 retailers$1,100 USD to $5,460 USD

Retailer 1
-
$858 USD
Price last confirmed 35 days ago
Retailer 2
-
$902 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$1,100 USD
View
A
Retailer 4
-
$1,409 USD
£1,109 GBP
View
A
Retailer 5
-
$1,427 USD
View
B+
Retailer 6
-
$1,495 USD
View
A
Retailer 7
-
$1,524 USD
€1,451 EUR
View
A
Retailer 8
-
$1,716 USD
A$2,640 AUD
View
A
Retailer 9
-
$1,792 USD
ZAR 28,944 ZAR
View
A
Retailer 10
-
$2,202 USD
View
B+
Retailer 11
-
$2,410 USD
View
Retailer 12
-
$2,926 USD
£2,304 GBP
View
Price last confirmed 21 days ago
B+
Retailer 13
-
$3,129 USD
View
B+
Retailer 14
-
$3,202 USD
View
Retailer 15
-
$3,310 USD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$3,471 USD
£2,733 GBP
View
Most Expensive
B
Brilliant Earth
7625224A · Oct 31
$5,460 USD
View
16 more retailers have this diamond
Prices start from $1,100 USDSave up to $4,360 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
6.30ct Radiant
$1,100 USD