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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 $1,075 USD
As of October 29, 2026
Save $5,492 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,567 USD 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 29, 2026, with prices from $1,075 to $6,567, a $5,492 spread on the same certified stone. Blue Nile lists it at $6,567. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,567 USD|Low: $959 USD|High: $6,710 USD|Avg: $2,503 USD|-0.0%
Blue Nile
Retailer 2
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Retailer 21
October 31, 2026
Retailer 12$1,072 USD
Retailer 7$1,075 USD
Retailer 19$1,170 USD
Retailer 3$1,247 USD
Retailer 5$1,247 USD
Retailer 15$1,420 USD
Retailer 4$1,641 USD
Retailer 8$1,724 USD
Retailer 13$1,796 USD
Retailer 16$1,800 USD
Retailer 11$1,986 USD
Retailer 2$2,311 USD
Retailer 6$2,338 USD
Retailer 17$2,413 USD
Retailer 20$2,530 USD
Retailer 21$2,897 USD
Retailer 9$3,611 USD
Retailer 18$4,252 USD
Retailer 10$4,357 USD
Retailer 14$6,510 USD
Blue Nile$6,567 USD

41 data points across 21 retailers

20 retailers$1,075 USD to $6,567 USD

A
Cheapest Retailer
-
$1,075 USD
A
Retailer 2
-
$1,170 USD
View
A
Retailer 3
-
$1,247 USD
View
Retailer 4
-
$1,247 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,420 USD
View
Retailer 6
-
$1,641 USD
£1,292 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,724 USD
View
A
Retailer 8
-
$1,796 USD
€1,710 EUR
View
A
Retailer 9
-
$1,800 USD
£1,417 GBP
View
B+
Retailer 10
-
$1,986 USD
View
B+
Retailer 11
-
$2,311 USD
A$3,555 AUD
View
B+
Retailer 12
-
$2,338 USD
View
B+
Retailer 13
-
$2,413 USD
ZAR 38,988 ZAR
View
B+
Retailer 14
-
$2,530 USD
View
B+
Retailer 15
-
$2,897 USD
View
B
Retailer 16
-
$3,611 USD
View
B
Retailer 17
-
$4,252 USD
£3,348 GBP
View
B
Retailer 18
-
$4,357 USD
View
B
Retailer 19
-
$6,510 USD
View
Most Expensive
B
Blue Nile
25246163 · Oct 31
$6,567 USD
View
19 more retailers have this diamond
Prices start from $1,075 USDSave up to $5,492 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
6.63ct Round
$1,075 USD