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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG835639081

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG835639081

Diamond specifications and retailer prices

From $318 SGD
$249 USD
As of November 1, 2026
Save $1,262 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,907 SGD at Queensmith · As of October 20, 2026
View at Queensmith

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835639081 or 835639081. Listed at 19 retailers as of November 1, 2026, with a 396% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835639081
Dimensions9.48 × 6.76 × 4.24 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.48 mm6.76 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835639081
Side View
Table 60.0%Crown 35.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 62.7%

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: Nov 1
Current: $461 SGD|Low: $283 SGD|High: $1,588 SGD|Avg: $828 SGD|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 7$318 SGD
Retailer 6$354 SGD
Retailer 10$364 SGD
Retailer 3$368 SGD
Retailer 16$394 SGD
Retailer 1$461 SGD
Retailer 9$631 SGD
Retailer 18$661 SGD
Retailer 13$681 SGD
Retailer 17$721 SGD
Retailer 12$750 SGD
Retailer 2$776 SGD
Retailer 4$919 SGD
Retailer 19$1,267 SGD
Retailer 15$1,271 SGD
Retailer 8$1,333 SGD
Retailer 11$1,381 SGD
Retailer 5$1,551 SGD
Retailer 14$1,580 SGD

32 data points across 19 retailers

19 retailers$318 SGD to $1,580 SGD

A
Cheapest Retailer
-
$318 SGD
$249 USD
A
Retailer 2
-
$354 SGD
$277 USD
View
Final sale: no returns
Retailer 3
-
$364 SGD
$285 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$368 SGD
$288 USD
View
A
Retailer 5
-
$394 SGD
$308 USD
View
A
Retailer 6
-
$461 SGD
£284 GBP
View
A
Retailer 7
-
$661 SGD
$517 USD
View
A
Retailer 8
-
$681 SGD
ZAR 8,597 ZAR
View
A
Retailer 9
-
$721 SGD
$564 USD
View
A
Retailer 10
-
$750 SGD
£462 GBP
View
A
Retailer 11
-
$776 SGD
$607 USD
View
B+
Retailer 12
-
$919 SGD
A$1,105 AUD
View
B+
Retailer 13
-
$1,267 SGD
$991 USD
View
B+
Retailer 14
-
$1,271 SGD
$994 USD
View
B+
Retailer 15
-
$1,333 SGD
$1,042 USD
View
Retailer 16
-
$1,381 SGD
A$1,661 AUD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$1,551 SGD
$1,213 USD
View
B
Retailer 18
-
$1,580 SGD
£973 GBP
View
Most Expensive
Queensmith
LG835639081 · Oct 20
$2,907 SGD
£1,790 GBP
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from $318 SGDSave up to $1,262 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
1.66ct Oval
$318 SGD