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Round|Lab Grown|IGI

6.85ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG625469438

Shape and cutting style on the report: Round brilliant

Certificate IGI LG625469438

Diamond specifications and retailer prices

From $979 USD
As of October 29, 2026
Save $5,751 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,730 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.85ct lab-grown round diamond

This 6.85ct 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 LG625469438 or 625469438. Listed at 23 retailers as of October 29, 2026, with prices from $979 to $6,730, a $5,751 spread on the same certified stone. Brilliant Earth lists it at $6,730. 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

6.85
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625469438
Dimensions12.20 × 12.26 × 7.36 mm
L/W Ratio1.00
Girdle conditionFaceted
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
12.20 mm12.26 mm6.85 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625469438
Side View
Table 61.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: $6,730 USD|Low: $940 USD|High: $6,730 USD|Avg: $2,522 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
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Retailer 17
October 30, 2026
Retailer 3$979 USD
Retailer 4$1,096 USD
Retailer 7$1,136 USD
Retailer 12$1,310 USD
Retailer 16$1,494 USD
Retailer 13$1,590 USD
Retailer 8$1,630 USD
Retailer 11$1,695 USD
Retailer 2$1,746 USD
Retailer 17$2,192 USD
Retailer 10$2,198 USD
Retailer 9$3,139 USD
Retailer 5$3,509 USD
Retailer 6$3,522 USD
Retailer 14$3,857 USD
Retailer 15$5,225 USD
Brilliant Earth$6,730 USD

42 data points across 17 retailers

23 retailers$979 USD to $6,730 USD

A
Cheapest Retailer
-
$979 USD
A
Retailer 2
-
$1,065 USD
View
A
Retailer 3
-
$1,096 USD
View
Final sale: no returns
A
Retailer 4
-
$1,136 USD
View
Retailer 5
-
$1,136 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,310 USD
View
Retailer 7
-
$1,494 USD
£1,177 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,590 USD
View
A
Retailer 9
-
$1,630 USD
View
A
Retailer 10
-
$1,695 USD
€1,614 EUR
View
A
Retailer 11
-
$1,746 USD
£1,375 GBP
View
B+
Retailer 12
-
$2,129 USD
View
B+
Retailer 13
-
$2,192 USD
View
B+
Retailer 14
-
$2,198 USD
ZAR 35,506 ZAR
View
B+
Retailer 15
-
$2,713 USD
View
B+
Retailer 16
-
$3,033 USD
View
B+
Retailer 17
-
$3,139 USD
£2,472 GBP
View
B
Retailer 18
-
$3,509 USD
View
B
Retailer 19
-
$3,522 USD
View
B
Retailer 20
-
$3,857 USD
£3,037 GBP
View
B
Retailer 21
-
$3,957 USD
View
Retailer 22
-
$5,225 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9516831A · Oct 29
$6,730 USD
View
22 more retailers have this diamond
Prices start from $979 USDSave up to $5,751 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
6.85ct Round
$979 USD