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Round|Lab Grown|IGI

6.61ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG588372643

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588372643

Diamond specifications and retailer prices

From $1,611 SGD
$1,260 USD
As of October 31, 2026
Save $6,686 SGD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,297 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.61ct lab-grown round diamond

This 6.61ct 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 LG588372643 or 588372643. Listed at 18 retailers as of October 31, 2026, with prices from $1,611 to $8,297, a $6,686 spread on the same certified stone. Brilliant Earth lists it at $8,297. 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

6.61
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588372643
Dimensions12.05 × 11.99 × 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
12.05 mm11.99 mm6.61 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588372643
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

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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 31
Current: $8,297 SGD|Low: $1,338 SGD|High: $8,297 SGD|Avg: $3,176 SGD
Brilliant Earth
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
November 1, 2026
Retailer 3$1,338 SGD
Retailer 8$1,418 SGD
Retailer 12$1,611 SGD
Retailer 15$2,011 SGD
Retailer 9$2,131 SGD
Retailer 4$2,223 SGD
Retailer 10$2,289 SGD
Retailer 11$2,572 SGD
Retailer 13$2,685 SGD
Retailer 14$3,087 SGD
Retailer 16$3,623 SGD
Retailer 5$4,317 SGD
Retailer 6$4,341 SGD
Retailer 2$4,707 SGD
Retailer 7$4,828 SGD
Brilliant Earth$8,297 SGD

38 data points across 16 retailers

18 retailers$1,611 SGD to $8,297 SGD

Retailer 1
-
$1,222 SGD
$956 USD
Price last confirmed 39 days ago
Retailer 2
-
$1,330 SGD
$1,040 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$1,397 SGD
$1,093 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$1,611 SGD
$1,260 USD
View
A
Retailer 5
-
$2,011 SGD
$1,573 USD
View
A
Retailer 6
-
$2,131 SGD
£1,313 GBP
View
B+
Retailer 7
-
$2,223 SGD
$1,739 USD
View
A
Retailer 8
-
$2,289 SGD
€1,705 EUR
View
B+
Retailer 9
-
$2,572 SGD
A$3,095 AUD
View
B+
Retailer 10
-
$2,685 SGD
ZAR 33,936 ZAR
View
B+
Retailer 11
-
$3,087 SGD
$2,415 USD
View
B+
Retailer 12
-
$3,623 SGD
$2,834 USD
View
Retailer 13
-
$3,985 SGD
$3,117 USD
View
Price last confirmed 36 days ago
Retailer 14
-
$4,317 SGD
$3,377 USD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$4,341 SGD
$3,396 USD
View
B
Retailer 16
-
$4,707 SGD
£2,899 GBP
View
B
Retailer 17
-
$4,828 SGD
$3,776 USD
View
Most Expensive
B
Brilliant Earth
7670352A · Oct 31
$8,297 SGD
$6,490 USD
View
17 more retailers have this diamond
Prices start from $1,611 SGDSave up to $6,686 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
6.61ct Round
$1,611 SGD