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Round|Lab Grown|IGI

6.61ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG608398200

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398200

Diamond specifications and retailer prices

From $936 USD
As of October 29, 2026
Save $5,554 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,490 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.61ct lab-grown round diamond

This 6.61ct lab-grown round 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 LG608398200 or 608398200. Listed at 21 retailers as of October 29, 2026, with prices from $936 to $6,490, a $5,554 spread on the same certified stone. Brilliant Earth lists it at $6,490. 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

6.61
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608398200
Dimensions12.02 × 11.97 × 7.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.02 mm11.97 mm6.61 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608398200
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

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 29
Current: $6,490 USD|Low: $936 USD|High: $6,490 USD|Avg: $2,414 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7$936 USD
Retailer 20$1,018 USD
Retailer 10$1,047 USD
Retailer 3$1,086 USD
Retailer 5$1,086 USD
Retailer 16$1,260 USD
Retailer 4$1,428 USD
Retailer 8$1,573 USD
Retailer 17$1,653 USD
Retailer 11$1,739 USD
Retailer 2$1,790 USD
Retailer 13$2,012 USD
Retailer 19$2,101 USD
Retailer 21$2,415 USD
Retailer 9$2,834 USD
Retailer 6$3,052 USD
Retailer 12$3,377 USD
Retailer 14$3,396 USD
Retailer 18$3,702 USD
Retailer 15$3,776 USD
Retailer 22$5,215 USD
Brilliant Earth$6,490 USD

36 data points across 22 retailers

21 retailers$936 USD to $6,490 USD

A
Cheapest Retailer
-
$936 USD
A
Retailer 2
-
$1,018 USD
View
A
Retailer 3
-
$1,086 USD
View
Retailer 4
-
$1,086 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,260 USD
View
Retailer 6
-
$1,428 USD
£1,125 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,573 USD
View
A
Retailer 8
-
$1,653 USD
£1,302 GBP
View
B+
Retailer 9
-
$1,739 USD
View
A
Retailer 10
-
$1,790 USD
€1,705 EUR
View
B+
Retailer 11
-
$2,012 USD
A$3,095 AUD
View
B+
Retailer 12
-
$2,101 USD
ZAR 33,936 ZAR
View
B+
Retailer 13
-
$2,415 USD
View
B+
Retailer 14
-
$2,834 USD
View
B+
Retailer 15
-
$3,052 USD
View
Retailer 16
-
$3,377 USD
View
Price last confirmed 20 days ago
B
Retailer 17
-
$3,396 USD
View
B
Retailer 18
-
$3,702 USD
£2,915 GBP
View
B
Retailer 19
-
$3,776 USD
View
Retailer 20
-
$5,215 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
8717459A · Oct 29
$6,490 USD
View
20 more retailers have this diamond
Prices start from $936 USDSave up to $5,554 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
6.61ct Round
$936 USD