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Round|Lab Grown|IGI

6.51ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG581318483

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581318483

Diamond specifications and retailer prices

From $1,365 CAD
$977 USD
As of October 29, 2026
Save $4,907 CAD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,272 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 6.51ct lab-grown round diamond

This 6.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581318483 or 581318483. Listed at 16 retailers as of October 29, 2026, with prices from $1,365 to $6,272, a $4,907 spread on the same certified stone. Blue Nile lists it at $6,272. 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

6.51
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581318483
Dimensions12.04 × 11.98 × 7.39 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
12.04 mm11.98 mm6.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581318483
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.6°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: $6,272 CAD|Low: $909 CAD|High: $7,364 CAD|Avg: $3,150 CAD|+0.1%
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
October 29, 2026
Retailer 9$1,274 CAD
Retailer 3$1,365 CAD
Retailer 11$1,485 CAD
Retailer 14$1,584 CAD
Retailer 16$1,584 CAD
Retailer 4$2,255 CAD
Retailer 17$2,256 CAD
Retailer 2$2,276 CAD
Retailer 15$2,367 CAD
Retailer 6$2,533 CAD
Retailer 18$2,968 CAD
Retailer 5$3,360 CAD
Retailer 12$3,413 CAD
Retailer 13$5,398 CAD
Retailer 7$5,516 CAD
Retailer 8$6,244 CAD
Blue Nile$6,272 CAD
Retailer 10$7,364 CAD

32 data points across 18 retailers

16 retailers$1,365 CAD to $6,272 CAD

A
Cheapest Retailer
-
$1,365 CAD
$977 USD
A
Retailer 2
-
$1,485 CAD
$1,063 USD
View
Retailer 3
-
$1,584 CAD
$1,134 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,584 CAD
$1,134 USD
View
B+
Retailer 5
-
$2,255 CAD
$1,614 USD
View
B+
Retailer 6
-
$2,256 CAD
$1,615 USD
View
B+
Retailer 7
-
$2,276 CAD
€1,552 EUR
View
Retailer 8
-
$2,367 CAD
£1,334 GBP
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$2,533 CAD
$1,813 USD
View
B+
Retailer 10
-
$2,968 CAD
$2,125 USD
View
B+
Retailer 11
-
$3,360 CAD
$2,405 USD
View
B+
Retailer 12
-
$3,413 CAD
$2,443 USD
View
B
Retailer 13
-
$5,398 CAD
£3,043 GBP
View
Retailer 14
-
$5,516 CAD
$3,949 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
$6,244 CAD
$4,470 USD
View
Most Expensive
B
Blue Nile
25247267 · Oct 29
$6,272 CAD
$4,490 USD
View
15 more retailers have this diamond
Prices start from $1,365 CADSave up to $4,907 CAD

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
6.51ct Round
$1,365 CAD