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Round|Lab Grown|IGI

6.60ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG644485597

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644485597

Diamond specifications and retailer prices

From $1,662 NZD
$935 USD
As of November 1, 2026
Save $9,855 NZD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,517 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.6ct lab-grown round diamond

This 6.6ct 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 LG644485597 or 644485597. Listed at 22 retailers as of October 31, 2026, with prices from $1,662 to $11,517, a $9,855 spread on the same certified stone. Brilliant Earth lists it at $11,517. 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

6.60
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644485597
Dimensions12.06 × 12.10 × 7.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.06 mm12.10 mm6.60 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644485597
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.2%

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: Nov 1
Current: $11,517 NZD|Low: $1,662 NZD|High: $11,517 NZD|Avg: $4,370 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 8$1,662 NZD
Retailer 20$1,808 NZD
Retailer 6$1,861 NZD
Retailer 3$1,927 NZD
Retailer 5$1,927 NZD
Retailer 18$2,239 NZD
Retailer 4$2,535 NZD
Retailer 9$2,794 NZD
Retailer 2$2,958 NZD
Retailer 11$3,087 NZD
Retailer 16$3,178 NZD
Retailer 17$3,570 NZD
Retailer 19$3,728 NZD
Retailer 21$4,287 NZD
Retailer 10$5,023 NZD
Retailer 7$5,417 NZD
Retailer 12$5,995 NZD
Retailer 14$6,029 NZD
Retailer 13$6,535 NZD
Retailer 15$6,702 NZD
Retailer 22$9,269 NZD
Brilliant Earth$11,517 NZD

37 data points across 22 retailers

22 retailers$1,662 NZD to $11,517 NZD

A
Cheapest Retailer
-
$1,662 NZD
$935 USD
A
Retailer 2
-
$1,808 NZD
$1,017 USD
View
A
Retailer 3
-
$1,861 NZD
$1,047 USD
View
Final sale: no returns
A
Retailer 4
-
$1,927 NZD
$1,084 USD
View
Retailer 5
-
$1,927 NZD
$1,084 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$2,239 NZD
$1,260 USD
View
Retailer 7
-
$2,535 NZD
£1,123 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
$2,794 NZD
$1,572 USD
View
A
Retailer 9
-
$2,958 NZD
£1,311 GBP
View
B+
Retailer 10
-
$3,087 NZD
$1,737 USD
View
A
Retailer 11
-
$3,178 NZD
€1,703 EUR
View
B+
Retailer 12
-
$3,570 NZD
A$3,090 AUD
View
B+
Retailer 13
-
$3,728 NZD
ZAR 33,887 ZAR
View
B+
Retailer 14
-
$4,287 NZD
$2,412 USD
View
B+
Retailer 15
-
$5,023 NZD
$2,826 USD
View
B+
Retailer 16
-
$5,417 NZD
$3,048 USD
View
Retailer 17
-
$5,995 NZD
$3,373 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$6,029 NZD
$3,392 USD
View
B
Retailer 19
-
$6,535 NZD
£2,895 GBP
View
B
Retailer 20
-
$6,702 NZD
$3,771 USD
View
Retailer 21
-
$9,269 NZD
$5,215 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
11113182A · Oct 31
$11,517 NZD
$6,480 USD
View
21 more retailers have this diamond
Prices start from $1,662 NZDSave up to $9,855 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
6.60ct Round
$1,662 NZD