CaratHunter
Plans
Round|Lab Grown|IGI

6.68ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG600342243

Shape and cutting style on the report: Round brilliant

Certificate IGI LG600342243

Diamond specifications and retailer prices

From $945 USD
As of October 29, 2026
Save $5,615 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,560 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.68ct lab-grown round diamond

This 6.68ct 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 LG600342243 or 600342243. Listed at 20 retailers as of October 29, 2026, with prices from $945 to $6,560, a $5,615 spread on the same certified stone. Brilliant Earth lists it at $6,560. 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

6.68
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600342243
Dimensions12.02 × 12.05 × 7.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.02 mm12.05 mm6.68 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600342243
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.7%

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: Oct 29
Current: $6,560 USD|Low: $945 USD|High: $6,760 USD|Avg: $2,364 USD|-3.0%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 6$945 USD
Retailer 19$1,029 USD
Retailer 9$1,058 USD
Retailer 4$1,097 USD
Retailer 21$1,097 USD
Retailer 3$1,443 USD
Retailer 7$1,587 USD
Retailer 2$1,681 USD
Retailer 10$1,755 USD
Retailer 17$1,755 USD
Retailer 16$1,814 USD
Retailer 18$2,031 USD
Retailer 15$2,122 USD
Retailer 20$2,364 USD
Retailer 8$2,891 USD
Retailer 5$3,084 USD
Retailer 12$3,401 USD
Retailer 11$3,406 USD
Retailer 13$3,739 USD
Retailer 14$3,817 USD
Brilliant Earth$6,560 USD

37 data points across 21 retailers

20 retailers$945 USD to $6,560 USD

A
Cheapest Retailer
-
$945 USD
A
Retailer 2
-
$1,029 USD
View
A
Retailer 3
-
$1,097 USD
View
Retailer 4
-
$1,097 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$1,443 USD
£1,136 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,587 USD
View
A
Retailer 7
-
$1,681 USD
£1,323 GBP
View
B+
Retailer 8
-
$1,755 USD
View
B+
Retailer 9
-
$1,755 USD
View
A
Retailer 10
-
$1,814 USD
€1,728 EUR
View
Retailer 11
-
$2,031 USD
A$3,124 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,122 USD
ZAR 34,284 ZAR
View
B+
Retailer 13
-
$2,364 USD
View
B+
Retailer 14
-
$2,891 USD
View
B+
Retailer 15
-
$3,084 USD
View
B+
Retailer 16
-
$3,401 USD
View
Retailer 17
-
$3,406 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$3,739 USD
£2,944 GBP
View
B
Retailer 19
-
$3,817 USD
View
Most Expensive
B
Brilliant Earth
8177216A · Oct 29
$6,560 USD
View
19 more retailers have this diamond
Prices start from $945 USDSave up to $5,615 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
6.68ct Round
$945 USD