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Round|Lab Grown|IGI

6.56ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG613353867

Shape and cutting style on the report: Round brilliant

Certificate IGI LG613353867

Diamond specifications and retailer prices

From $929 USD
As of October 29, 2026
Save $5,511 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,440 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.56ct lab-grown round diamond

This 6.56ct 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 LG613353867 or 613353867. Listed at 20 retailers as of October 29, 2026, with prices from $929 to $6,440, a $5,511 spread on the same certified stone. Brilliant Earth lists it at $6,440. 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

6.56
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613353867
Dimensions12.00 × 11.96 × 7.38 mm
L/W Ratio1.00
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
12.00 mm11.96 mm6.56 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613353867
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: $6,440 USD|Low: $929 USD|High: $6,440 USD|Avg: $2,262 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 6$929 USD
Retailer 19$1,011 USD
Retailer 9$1,040 USD
Retailer 4$1,078 USD
Retailer 21$1,078 USD
Retailer 13$1,255 USD
Retailer 3$1,418 USD
Retailer 7$1,564 USD
Retailer 15$1,641 USD
Retailer 10$1,726 USD
Retailer 2$1,777 USD
Retailer 16$1,997 USD
Retailer 17$2,085 USD
Retailer 20$2,397 USD
Retailer 8$2,795 USD
Retailer 5$3,030 USD
Retailer 11$3,356 USD
Retailer 12$3,371 USD
Retailer 18$3,660 USD
Retailer 14$3,748 USD
Brilliant Earth$6,440 USD

37 data points across 21 retailers

20 retailers$929 USD to $6,440 USD

A
Cheapest Retailer
-
$929 USD
A
Retailer 2
-
$1,011 USD
View
A
Retailer 3
-
$1,078 USD
View
Retailer 4
-
$1,078 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,255 USD
View
Retailer 6
-
$1,418 USD
£1,116 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,564 USD
View
A
Retailer 8
-
$1,641 USD
£1,292 GBP
View
B+
Retailer 9
-
$1,726 USD
View
A
Retailer 10
-
$1,777 USD
€1,692 EUR
View
B+
Retailer 11
-
$1,997 USD
A$3,072 AUD
View
B+
Retailer 12
-
$2,085 USD
ZAR 33,687 ZAR
View
B+
Retailer 13
-
$2,397 USD
View
B+
Retailer 14
-
$2,795 USD
View
B+
Retailer 15
-
$3,030 USD
View
Retailer 16
-
$3,356 USD
View
Price last confirmed 20 days ago
B
Retailer 17
-
$3,371 USD
View
B
Retailer 18
-
$3,660 USD
£2,882 GBP
View
B
Retailer 19
-
$3,748 USD
View
Most Expensive
B
Brilliant Earth
8821991A · Oct 29
$6,440 USD
View
19 more retailers have this diamond
Prices start from $929 USDSave up to $5,511 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
6.56ct Round
$929 USD