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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG768622672

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768622672

Diamond specifications and retailer prices

From $331 SGD
$259 USD
As of November 1, 2026
Save $2,265 SGD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,596 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG768622672 or 768622672. Listed at 20 retailers as of November 1, 2026, with prices from $331 to $2,596, a $2,265 spread on the same certified stone. Brilliant Earth lists it at $2,596. 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 angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768622672
Dimensions9.47 × 6.74 × 4.12 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.47 mm6.74 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768622672
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 61.1%

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: $2,596 SGD|Low: $321 SGD|High: $2,724 SGD|Avg: $924 SGD|-4.7%
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
November 2, 2026
Retailer 18$331 SGD
Retailer 5$368 SGD
Retailer 11$384 SGD
Retailer 12$407 SGD
Retailer 20$411 SGD
Retailer 19$614 SGD
Retailer 7$684 SGD
Retailer 13$708 SGD
Retailer 16$722 SGD
Retailer 3$753 SGD
Retailer 2$777 SGD
Retailer 4$781 SGD
Retailer 10$947 SGD
Retailer 17$1,260 SGD
Retailer 8$1,319 SGD
Retailer 6$1,384 SGD
Retailer 9$1,598 SGD
Retailer 15$1,613 SGD
Retailer 14$1,644 SGD
Brilliant Earth$2,596 SGD

33 data points across 20 retailers

20 retailers$331 SGD to $2,596 SGD

A
Cheapest Retailer
-
$331 SGD
$259 USD
A
Retailer 2
-
$368 SGD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$384 SGD
$300 USD
View
Retailer 4
-
$407 SGD
$318 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$411 SGD
$321 USD
View
A
Retailer 6
-
$614 SGD
$480 USD
View
A
Retailer 7
-
$684 SGD
$535 USD
View
A
Retailer 8
-
$708 SGD
ZAR 8,943 ZAR
View
A
Retailer 9
-
$722 SGD
€538 EUR
View
A
Retailer 10
-
$753 SGD
$589 USD
View
A
Retailer 11
-
$777 SGD
£478 GBP
View
A
Retailer 12
-
$781 SGD
$611 USD
View
B+
Retailer 13
-
$947 SGD
A$1,139 AUD
View
B+
Retailer 14
-
$1,260 SGD
$985 USD
View
B+
Retailer 15
-
$1,319 SGD
$1,031 USD
View
B+
Retailer 16
-
$1,384 SGD
$1,082 USD
View
B
Retailer 17
-
$1,598 SGD
£984 GBP
View
B
Retailer 18
-
$1,613 SGD
$1,261 USD
View
B
Retailer 19
-
$1,644 SGD
£1,012 GBP
View
Most Expensive
B
Brilliant Earth
18094821A · Nov 2
$2,596 SGD
$2,030 USD
View
19 more retailers have this diamond
Prices start from $331 SGDSave up to $2,265 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
$331 SGD