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Round|Lab Grown|IGI

6.50ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG610334559

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610334559

Diamond specifications and retailer prices

From $1,055 USD
As of October 29, 2026
Save $5,383 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,438 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 6.5ct lab-grown round diamond

This 6.5ct 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 LG610334559 or 610334559. Listed at 21 retailers as of October 29, 2026, with prices from $1,055 to $6,438, a $5,383 spread on the same certified stone. Blue Nile lists it at $6,438. 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

6.50
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610334559
Dimensions11.98 × 11.89 × 7.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.98 mm11.89 mm6.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610334559
Side View
Table 56.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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: $6,438 USD|Low: $1,023 USD|High: $6,440 USD|Avg: $2,617 USD|-0.0%
Blue Nile
Retailer 2
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Retailer 22
November 1, 2026
Retailer 5$1,055 USD
Retailer 20$1,147 USD
Retailer 9$1,180 USD
Retailer 3$1,223 USD
Retailer 21$1,223 USD
Retailer 17$1,400 USD
Retailer 22$1,610 USD
Retailer 6$1,697 USD
Retailer 16$1,761 USD
Retailer 2$1,765 USD
Retailer 10$1,951 USD
Retailer 13$2,267 USD
Retailer 4$2,293 USD
Retailer 18$2,367 USD
Retailer 7$2,557 USD
Retailer 8$2,792 USD
Retailer 11$3,739 USD
Retailer 12$3,793 USD
Retailer 19$4,171 USD
Retailer 14$4,272 USD
Retailer 15$6,390 USD
Blue Nile$6,438 USD

34 data points across 22 retailers

21 retailers$1,055 USD to $6,438 USD

A
Cheapest Retailer
-
$1,055 USD
A
Retailer 2
-
$1,147 USD
View
A
Retailer 3
-
$1,223 USD
View
Retailer 4
-
$1,223 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,400 USD
View
Retailer 6
-
$1,610 USD
£1,267 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,697 USD
View
A
Retailer 8
-
$1,761 USD
€1,677 EUR
View
A
Retailer 9
-
$1,765 USD
£1,390 GBP
View
B+
Retailer 10
-
$1,951 USD
View
B+
Retailer 11
-
$2,267 USD
A$3,488 AUD
View
B+
Retailer 12
-
$2,293 USD
View
B+
Retailer 13
-
$2,367 USD
ZAR 38,245 ZAR
View
B+
Retailer 14
-
$2,557 USD
View
B+
Retailer 15
-
$2,792 USD
View
Retailer 16
-
$3,739 USD
View
Price last confirmed 20 days ago
B
Retailer 17
-
$3,793 USD
View
B
Retailer 18
-
$4,171 USD
£3,284 GBP
View
B
Retailer 19
-
$4,272 USD
View
B
Retailer 20
-
$6,390 USD
View
Most Expensive
B
Blue Nile
25246325 · Oct 31
$6,438 USD
View
20 more retailers have this diamond
Prices start from $1,055 USDSave up to $5,383 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
6.50ct Round
$1,055 USD