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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 $1,249 SGD
$977 USD
As of October 29, 2026
Save $4,491 SGD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,740 SGD 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 $1,249 to $5,740, a $4,491 spread on the same certified stone. Blue Nile lists it at $5,740. 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
Colour
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: $5,740 SGD|Low: $832 SGD|High: $6,739 SGD|Avg: $2,883 SGD|+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$1,166 SGD
Retailer 3$1,249 SGD
Retailer 11$1,359 SGD
Retailer 14$1,450 SGD
Retailer 16$1,450 SGD
Retailer 4$2,063 SGD
Retailer 17$2,065 SGD
Retailer 2$2,083 SGD
Retailer 15$2,166 SGD
Retailer 6$2,318 SGD
Retailer 18$2,717 SGD
Retailer 5$3,075 SGD
Retailer 12$3,123 SGD
Retailer 13$4,941 SGD
Retailer 7$5,048 SGD
Retailer 8$5,714 SGD
Blue Nile$5,740 SGD
Retailer 10$6,739 SGD

32 data points across 18 retailers

16 retailers$1,249 SGD to $5,740 SGD

A
Cheapest Retailer
-
$1,249 SGD
$977 USD
A
Retailer 2
-
$1,359 SGD
$1,063 USD
View
Retailer 3
-
$1,450 SGD
$1,134 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,450 SGD
$1,134 USD
View
B+
Retailer 5
-
$2,063 SGD
$1,614 USD
View
B+
Retailer 6
-
$2,065 SGD
$1,615 USD
View
B+
Retailer 7
-
$2,083 SGD
€1,552 EUR
View
Retailer 8
-
$2,166 SGD
£1,334 GBP
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$2,318 SGD
$1,813 USD
View
B+
Retailer 10
-
$2,717 SGD
$2,125 USD
View
B+
Retailer 11
-
$3,075 SGD
$2,405 USD
View
B+
Retailer 12
-
$3,123 SGD
$2,443 USD
View
B
Retailer 13
-
$4,941 SGD
£3,043 GBP
View
Retailer 14
-
$5,048 SGD
$3,949 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
$5,714 SGD
$4,470 USD
View
Most Expensive
B
Blue Nile
25247267 · Oct 29
$5,740 SGD
$4,490 USD
View
15 more retailers have this diamond
Prices start from $1,249 SGDSave up to $4,491 SGD

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
$1,249 SGD