Round|Lab Grown|IGI

6.63ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG588377632

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588377632

Diamond specifications and retailer prices

From $1,911 NZD
$1,075 USD
As of November 1, 2026
Save $9,761 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,672 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 6.63ct lab-grown round diamond

This 6.63ct 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 LG588377632 or 588377632. Listed at 20 retailers as of October 31, 2026, with prices from $1,911 to $11,672, a $9,761 spread on the same certified stone. Blue Nile lists it at $11,672. 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

6.63
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588377632
Dimensions12.20 × 12.17 × 7.33 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 mm12.17 mm6.63 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588377632
Side View
Table 58.0%Crown 33.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.1%

Caratlytics Score

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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: $11,672 NZD|Low: $1,704 NZD|High: $11,926 NZD|Avg: $4,553 NZD|-0.0%
Blue Nile
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
November 2, 2026
Retailer 12$1,905 NZD
Retailer 7$1,911 NZD
Retailer 19$2,079 NZD
Retailer 3$2,216 NZD
Retailer 5$2,216 NZD
Retailer 17$2,524 NZD
Retailer 4$2,916 NZD
Retailer 8$3,064 NZD
Retailer 16$3,191 NZD
Retailer 2$3,199 NZD
Retailer 11$3,530 NZD
Retailer 15$4,107 NZD
Retailer 6$4,155 NZD
Retailer 18$4,289 NZD
Retailer 20$4,497 NZD
Retailer 21$5,149 NZD
Retailer 9$6,418 NZD
Retailer 13$7,519 NZD
Retailer 10$7,744 NZD
Retailer 14$11,570 NZD
Blue Nile$11,672 NZD

42 data points across 21 retailers

20 retailers$1,911 NZD to $11,672 NZD

A
Cheapest Retailer
-
$1,911 NZD
$1,075 USD
A
Retailer 2
-
$2,079 NZD
$1,170 USD
View
A
Retailer 3
-
$2,216 NZD
$1,247 USD
View
Retailer 4
-
$2,216 NZD
$1,247 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$2,524 NZD
$1,420 USD
View
Retailer 6
-
$2,916 NZD
£1,292 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$3,064 NZD
$1,724 USD
View
A
Retailer 8
-
$3,191 NZD
€1,710 EUR
View
A
Retailer 9
-
$3,199 NZD
£1,417 GBP
View
B+
Retailer 10
-
$3,530 NZD
$1,986 USD
View
B+
Retailer 11
-
$4,107 NZD
A$3,555 AUD
View
B+
Retailer 12
-
$4,155 NZD
$2,338 USD
View
B+
Retailer 13
-
$4,289 NZD
ZAR 38,988 ZAR
View
B+
Retailer 14
-
$4,497 NZD
$2,530 USD
View
B+
Retailer 15
-
$5,149 NZD
$2,897 USD
View
B
Retailer 16
-
$6,418 NZD
$3,611 USD
View
B
Retailer 17
-
$7,519 NZD
£3,331 GBP
View
B
Retailer 18
-
$7,744 NZD
$4,357 USD
View
B
Retailer 19
-
$11,570 NZD
$6,510 USD
View
Most Expensive
B
Blue Nile
25246163 · Oct 31
$11,672 NZD
$6,567 USD
View
19 more retailers have this diamond
Prices start from $1,911 NZDSave up to $9,761 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
6.63ct Round
$1,911 NZD