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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG836669310

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836669310

Diamond specifications and retailer prices

From $461 SGD
£284 GBP
As of November 2, 2026
Save $2,136 SGD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,907 SGD at Queensmith · As of October 23, 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 LG836669310 or 836669310. Listed at 19 retailers as of October 27, 2026, with a 464% 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 angle36.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836669310
Dimensions9.51 × 6.58 × 4.13 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.51 mm6.58 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836669310
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

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 2
Current: $2,907 SGD|Low: $294 SGD|High: $2,907 SGD|Avg: $1,112 SGD
Queensmith
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
November 3, 2026
Retailer 4$294 SGD
Retailer 8$330 SGD
Retailer 9$366 SGD
Retailer 13$461 SGD
Retailer 3$492 SGD
Retailer 16$631 SGD
Retailer 11$742 SGD
Retailer 6$769 SGD
Retailer 10$923 SGD
Retailer 17$1,178 SGD
Retailer 2$1,333 SGD
Retailer 5$1,381 SGD
Retailer 7$1,461 SGD
Retailer 14$1,551 SGD
Retailer 12$1,580 SGD
Retailer 15$2,596 SGD
Queensmith$2,907 SGD

32 data points across 17 retailers

19 retailers$461 SGD to $2,596 SGD

Retailer 1
-
$294 SGD
$230 USD
Price last confirmed 11 days ago
Retailer 2
-
$295 SGD
$231 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$343 SGD
$268 USD
View
Price last confirmed 38 days ago
Retailer 4
-
$362 SGD
$283 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$364 SGD
$285 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$461 SGD
£284 GBP
View
Retailer 7
-
$492 SGD
$385 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$742 SGD
£457 GBP
View
Retailer 9
-
$769 SGD
$601 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$923 SGD
A$1,110 AUD
View
Retailer 11
-
$1,174 SGD
$918 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$1,178 SGD
$921 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$1,178 SGD
$921 USD
View
Price last confirmed 36 days ago
B+
Retailer 14
-
$1,333 SGD
$1,042 USD
View
Retailer 15
-
$1,381 SGD
A$1,661 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$1,551 SGD
$1,213 USD
View
B
Retailer 17
-
$1,580 SGD
£973 GBP
View
B
Retailer 18
-
$2,596 SGD
$2,030 USD
View
Most Expensive
Queensmith
LG836669310 · Oct 23
$2,907 SGD
£1,790 GBP
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from $461 SGDSave up to $2,136 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
$461 SGD