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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 $1,737 NZD
$979 USD
As of October 29, 2026
Save $10,204 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,941 NZD at Brilliant Earth · As of October 31, 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 $1,737 to $11,941, a $10,204 spread on the same certified stone. Brilliant Earth lists it at $11,941. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,941 NZD|Low: $1,668 NZD|High: $11,941 NZD|Avg: $4,388 NZD
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
November 1, 2026
Retailer 3$1,737 NZD
Retailer 4$1,945 NZD
Retailer 7$2,016 NZD
Retailer 12$2,324 NZD
Retailer 16$2,651 NZD
Retailer 13$2,821 NZD
Retailer 8$2,892 NZD
Retailer 9$2,998 NZD
Retailer 2$3,098 NZD
Retailer 10$3,772 NZD
Retailer 11$3,900 NZD
Retailer 5$6,226 NZD
Retailer 6$6,249 NZD
Retailer 14$6,843 NZD
Retailer 15$9,271 NZD
Brilliant Earth$11,941 NZD

41 data points across 16 retailers

23 retailers$1,737 NZD to $11,941 NZD

A
Cheapest Retailer
-
$1,737 NZD
$979 USD
A
Retailer 2
-
$1,890 NZD
$1,065 USD
View
A
Retailer 3
-
$1,945 NZD
$1,096 USD
View
Final sale: no returns
A
Retailer 4
-
$2,016 NZD
$1,136 USD
View
Retailer 5
-
$2,016 NZD
$1,136 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,324 NZD
$1,310 USD
View
Retailer 7
-
$2,651 NZD
£1,177 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$2,821 NZD
$1,590 USD
View
A
Retailer 9
-
$2,892 NZD
$1,630 USD
View
A
Retailer 10
-
$2,998 NZD
€1,609 EUR
View
A
Retailer 11
-
$3,098 NZD
£1,375 GBP
View
B+
Retailer 12
-
$3,772 NZD
$2,126 USD
View
B+
Retailer 13
-
$3,777 NZD
$2,129 USD
View
B+
Retailer 14
-
$3,900 NZD
ZAR 35,506 ZAR
View
B+
Retailer 15
-
$4,813 NZD
$2,713 USD
View
B+
Retailer 16
-
$5,381 NZD
$3,033 USD
View
B+
Retailer 17
-
$5,570 NZD
£2,472 GBP
View
B
Retailer 18
-
$6,226 NZD
$3,509 USD
View
B
Retailer 19
-
$6,249 NZD
$3,522 USD
View
B
Retailer 20
-
$6,843 NZD
£3,037 GBP
View
B
Retailer 21
-
$7,021 NZD
$3,957 USD
View
Retailer 22
-
$9,271 NZD
$5,225 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
9516831A · Oct 31
$11,941 NZD
$6,730 USD
View
22 more retailers have this diamond
Prices start from $1,737 NZDSave up to $10,204 NZD

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
$1,737 NZD