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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG787623981

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787623981

Diamond specifications and retailer prices

From $337 SGD
$264 USD
As of November 1, 2026
Save $1,938 SGD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,422 SGD at Novita Diamonds · As of July 28, 2026
View at Novita Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787623981 or 787623981. Listed at 21 retailers as of October 31, 2026, with a 574% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623981
Dimensions9.54 × 6.73 × 4.12 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.54 mm6.73 mm1.66 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623981
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.2%

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: $377 SGD|Low: $337 SGD|High: $2,339 SGD|Avg: $1,131 SGD|+11.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 6$337 SGD
Retailer 1$377 SGD
Retailer 10$419 SGD
Retailer 15$679 SGD
Retailer 8$695 SGD
Retailer 2$697 SGD
Retailer 18$718 SGD
Retailer 16$761 SGD
Retailer 12$793 SGD
Retailer 13$940 SGD
Retailer 20$971 SGD
Retailer 5$1,093 SGD
Retailer 17$1,409 SGD
Retailer 11$1,520 SGD
Retailer 14$1,643 SGD
Retailer 3$1,680 SGD
Retailer 9$1,694 SGD
Retailer 19$1,785 SGD
Retailer 4$1,892 SGD
Retailer 7$2,276 SGD

36 data points across 20 retailers

21 retailers$337 SGD to $2,276 SGD

A
Cheapest Retailer
-
$337 SGD
$264 USD
A
Retailer 2
-
$377 SGD
$295 USD
View
Final sale: no returns
Retailer 3
-
$419 SGD
$328 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$679 SGD
€506 EUR
View
A
Retailer 5
-
$695 SGD
$544 USD
View
A
Retailer 6
-
$697 SGD
$545 USD
View
A
Retailer 7
-
$718 SGD
ZAR 9,072 ZAR
View
A
Retailer 8
-
$761 SGD
$595 USD
View
A
Retailer 9
-
$793 SGD
£489 GBP
View
B+
Retailer 10
-
$940 SGD
$735 USD
View
B+
Retailer 11
-
$971 SGD
A$1,169 AUD
View
B+
Retailer 12
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$1,093 SGD
$855 USD
View
B+
Retailer 13
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$1,409 SGD
$1,102 USD
View
B
Retailer 14
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$1,530 SGD
$1,197 USD
View
B
Retailer 15
-
$1,643 SGD
$1,285 USD
View
B+
Retailer 16
-
$1,680 SGD
£1,035 GBP
View
B
Retailer 17
-
$1,728 SGD
$1,352 USD
View
B
Retailer 18
-
$1,785 SGD
$1,396 USD
View
B
Retailer 19
-
$1,892 SGD
$1,480 USD
View
B
Retailer 20
-
$2,276 SGD
$1,780 USD
View
Most Expensive
Novita Diamonds
cert_787623981 · Jul 28
$2,422 SGD
A$2,915 AUD
View
Price last confirmed 96 days ago
20 more retailers have this diamond
Prices start from $337 SGDSave up to $1,938 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
$337 SGD