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Oval|Lab Grown|IGI

6.65ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG598388125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598388125

Diamond specifications and retailer prices

From $1,165 SGD
$911 USD
As of November 1, 2026
Save $6,137 SGD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,303 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.65ct lab-grown oval diamond

This 6.65ct lab-grown oval 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 LG598388125 or 598388125. Listed at 20 retailers as of November 1, 2026, with prices from $1,165 to $7,303, a $6,137 spread on the same certified stone. Brilliant Earth lists it at $7,303. 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

6.65
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598388125
Dimensions14.94 × 10.69 × 6.66 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
14.94 mm10.69 mm6.65 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598388125
Side View
Table 60.0%Crown 35.1°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: Nov 1
Current: $7,303 SGD|Low: $1,131 SGD|High: $7,597 SGD|Avg: $2,875 SGD|-3.1%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 6$1,165 SGD
Retailer 20$1,267 SGD
Retailer 10$1,306 SGD
Retailer 4$1,352 SGD
Retailer 22$1,352 SGD
Retailer 3$1,455 SGD
Retailer 17$1,573 SGD
Retailer 7$1,981 SGD
Retailer 2$2,064 SGD
Retailer 11$2,168 SGD
Retailer 16$2,212 SGD
Retailer 18$2,505 SGD
Retailer 19$2,616 SGD
Retailer 21$3,008 SGD
Retailer 8$3,442 SGD
Retailer 9$3,742 SGD
Retailer 5$3,801 SGD
Retailer 12$4,223 SGD
Retailer 14$4,229 SGD
Retailer 13$4,585 SGD
Retailer 15$4,698 SGD
Brilliant Earth$7,303 SGD

36 data points across 22 retailers

20 retailers$1,165 SGD to $7,303 SGD

A
Cheapest Retailer
-
$1,165 SGD
$911 USD
A
Retailer 2
-
$1,267 SGD
$991 USD
View
A
Retailer 3
-
$1,352 SGD
$1,057 USD
View
Retailer 4
-
$1,352 SGD
$1,057 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,573 SGD
$1,230 USD
View
A
Retailer 6
-
$1,981 SGD
$1,549 USD
View
A
Retailer 7
-
$2,064 SGD
£1,271 GBP
View
B+
Retailer 8
-
$2,168 SGD
$1,695 USD
View
A
Retailer 9
-
$2,212 SGD
€1,647 EUR
View
B+
Retailer 10
-
$2,505 SGD
A$3,013 AUD
View
A
Retailer 11
-
$2,616 SGD
ZAR 33,043 ZAR
View
B+
Retailer 12
-
$3,008 SGD
$2,352 USD
View
B+
Retailer 13
-
$3,442 SGD
$2,691 USD
View
B+
Retailer 14
-
$3,742 SGD
£2,304 GBP
View
B+
Retailer 15
-
$3,801 SGD
$2,972 USD
View
Retailer 16
-
$4,223 SGD
$3,302 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$4,229 SGD
$3,307 USD
View
B+
Retailer 18
-
$4,585 SGD
£2,823 GBP
View
B
Retailer 19
-
$4,698 SGD
$3,674 USD
View
Most Expensive
B
Brilliant Earth
8138297A · Nov 2
$7,303 SGD
$5,710 USD
View
19 more retailers have this diamond
Prices start from $1,165 SGDSave up to $6,137 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
6.65ct Oval
$1,165 SGD