Radiant|Lab Grown|IGI

6.50ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG818626143

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

Certificate IGI LG818626143

Diamond specifications and retailer prices

From $1,344 USD
HK$10,500 HKD
As of October 31, 2026
Save $4,231 USD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,575 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 6.5ct lab-grown radiant diamond

This 6.5ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG818626143 or 818626143. Listed at 9 retailers as of October 31, 2026, with prices from $1,344 to $5,575, a $4,231 spread on the same certified stone. With Clarity lists it at $5,575. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.50
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818626143
Dimensions12.74 × 9.13 × 6.48 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.74 mm9.13 mm6.50 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818626143
Side View
Table 62.0%Crown 43.7°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 71.0%

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: $3,854 USD|Low: $1,293 USD|High: $5,575 USD|Avg: $2,959 USD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 5$1,344 USD
Retailer 2$1,739 USD
Retailer 3$1,813 USD
Retailer 6$1,817 USD
Retailer 8$2,609 USD
Retailer 1$3,854 USD
Retailer 7$3,960 USD
Retailer 4$4,465 USD
With Clarity$5,575 USD

41 data points across 9 retailers

9 retailers$1,344 USD to $5,575 USD

A
Cheapest Retailer
-
$1,344 USD
HK$10,500 HKD
A
Retailer 2
-
$1,739 USD
£1,369 GBP
View
B+
Retailer 3
-
$1,813 USD
€1,727 EUR
View
B+
Retailer 4
-
$1,817 USD
View
B+
Retailer 5
-
$2,609 USD
View
B
Retailer 6
-
$3,854 USD
£3,035 GBP
View
B
Retailer 7
-
$3,960 USD
View
B
Retailer 8
-
$4,465 USD
View
Most Expensive
B
With Clarity
818626143 · Oct 31
$5,575 USD
View
8 more retailers have this diamond
Prices start from $1,344 USDSave up to $4,231 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
6.50ct Radiant
$1,344 USD