Round|Lab Grown|IGI

6.85ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG825620345

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825620345

Diamond specifications and retailer prices

From $1,881 NZD
$1,060 USD
As of October 31, 2026
Save $3,465 NZD (65%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,346 NZD at Brilliance · As of October 30, 2026
View at Brilliance

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 LG825620345 or 825620345. Listed at 3 retailers as of October 30, 2026, with prices from $1,881 to $5,346, a $3,465 spread on the same certified stone. Brilliance lists it at $5,346. 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 angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825620345
Dimensions12.10 × 12.19 × 7.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm12.19 mm6.85 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825620345
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,346 NZD|Low: $1,881 NZD|High: $5,756 NZD|Avg: $3,394 NZD|-7.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2$1,881 NZD
Retailer 3$2,550 NZD
Retailer 4$3,017 NZD
Brilliance$5,346 NZD

10 data points across 4 retailers

3 retailers$1,881 NZD to $5,346 NZD

A
Cheapest Retailer
-
$1,881 NZD
$1,060 USD
Final sale: no returns
B+
Retailer 2
-
$2,550 NZD
$1,437 USD
View
Most Expensive
B+
Brilliance
D45940034 · Oct 30
$5,346 NZD
$3,013 USD
View
2 more retailers have this diamond
Prices start from $1,881 NZDSave up to $3,465 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
$1,881 NZD