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Round|Lab Grown|IGI

6.31ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG581318516

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581318516

Diamond specifications and retailer prices

From $1,215 SGD
$948 USD
As of October 29, 2026
Save $4,363 SGD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,578 SGD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 6.31ct lab-grown round diamond

This 6.31ct 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 LG581318516 or 581318516. Listed at 16 retailers as of October 29, 2026, with prices from $1,215 to $5,578, a $4,363 spread on the same certified stone. Blue Nile lists it at $5,578. 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

6.31
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581318516
Dimensions11.83 × 11.74 × 7.34 mm
L/W Ratio1.01
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
11.83 mm11.74 mm6.31 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581318516
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,578 SGD|Low: $810 SGD|High: $5,729 SGD|Avg: $2,711 SGD|+0.0%
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$1,134 SGD
Retailer 3$1,215 SGD
Retailer 12$1,321 SGD
Retailer 14$1,410 SGD
Retailer 16$1,410 SGD
Retailer 17$2,006 SGD
Retailer 4$2,019 SGD
Retailer 2$2,025 SGD
Retailer 15$2,107 SGD
Retailer 6$2,255 SGD
Retailer 5$2,909 SGD
Retailer 13$3,038 SGD
Retailer 18$3,963 SGD
Retailer 11$4,787 SGD
Retailer 7$4,905 SGD
Retailer 10$5,228 SGD
Retailer 8$5,563 SGD
Blue Nile$5,578 SGD

32 data points across 18 retailers

16 retailers$1,215 SGD to $5,578 SGD

A
Cheapest Retailer
-
$1,215 SGD
$948 USD
A
Retailer 2
-
$1,321 SGD
$1,031 USD
View
Retailer 3
-
$1,410 SGD
$1,100 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,410 SGD
$1,100 USD
View
B+
Retailer 5
-
$2,006 SGD
$1,565 USD
View
B+
Retailer 6
-
$2,019 SGD
$1,575 USD
View
B+
Retailer 7
-
$2,025 SGD
€1,505 EUR
View
Retailer 8
-
$2,107 SGD
£1,295 GBP
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$2,255 SGD
$1,759 USD
View
B+
Retailer 10
-
$2,909 SGD
$2,270 USD
View
B+
Retailer 11
-
$3,038 SGD
$2,370 USD
View
B
Retailer 12
-
$3,963 SGD
$3,092 USD
View
B
Retailer 13
-
$4,787 SGD
£2,941 GBP
View
Retailer 14
-
$4,905 SGD
$3,827 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$5,563 SGD
$4,340 USD
View
Most Expensive
B
Blue Nile
25245800 · Oct 29
$5,578 SGD
$4,352 USD
View
15 more retailers have this diamond
Prices start from $1,215 SGDSave up to $4,363 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
6.31ct Round
$1,215 SGD