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Radiant|Lab Grown|IGI

6.09ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG629488959

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

Certificate IGI LG629488959

Diamond specifications and retailer prices

From $641 USD
As of October 30, 2026
Save $2,609 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,250 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 6.09ct lab-grown radiant diamond

This 6.09ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629488959 or 629488959. Listed at 16 retailers as of October 28, 2026, with prices from $641 to $3,250, a $2,609 spread on the same certified stone. Rare Carat lists it at $3,250. 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

6.09
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629488959
Dimensions12.76 × 9.00 × 5.97 mm
L/W Ratio1.42
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
12.76 mm9.00 mm6.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629488959
Side View
Table 65.0%Crown 45.4°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 66.3%

Caratlytics Score

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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: $5,220 USD|Low: $641 USD|High: $6,900 USD|Avg: $2,480 USD
Rare Carat
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
October 31, 2026
Retailer 8$641 USD
Retailer 7$697 USD
Retailer 14$743 USD
Retailer 12$798 USD
Retailer 18$883 USD
Retailer 15$920 USD
Retailer 17$1,182 USD
Retailer 2$1,208 USD
Retailer 6$1,213 USD
Retailer 13$1,377 USD
Retailer 3$1,438 USD
Retailer 5$1,817 USD
Retailer 11$1,898 USD
Retailer 4$2,089 USD
Retailer 16$3,147 USD
Rare Carat$5,220 USD
Retailer 9$6,739 USD
Retailer 10$6,900 USD

5 data points across 18 retailers

16 retailers$641 USD to $3,250 USD

A
Cheapest Retailer
-
$641 USD
A
Retailer 2
-
$697 USD
View
A
Retailer 3
-
$743 USD
View
A
Retailer 4
-
$798 USD
£628 GBP
View
A
Retailer 5
-
$883 USD
HK$6,900 HKD
View
A
Retailer 6
-
$920 USD
View
A
Retailer 7
-
$1,182 USD
View
A
Retailer 8
-
$1,208 USD
€1,150 EUR
View
B+
Retailer 9
-
$1,213 USD
View
A
Retailer 10
-
$1,377 USD
A$2,118 AUD
View
A
Retailer 11
-
$1,438 USD
ZAR 23,226 ZAR
View
B+
Retailer 12
-
$1,817 USD
View
B+
Retailer 13
-
$1,898 USD
View
B+
Retailer 14
-
$2,089 USD
View
B
Retailer 15
-
$3,147 USD
£2,478 GBP
View
Most Expensive
B
Rare Carat
KI9594889KF629 · Oct 28
$3,250 USD
View
15 more retailers have this diamond
Prices start from $641 USDSave up to $2,609 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
6.09ct Radiant
$641 USD