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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG801678137

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG801678137

Diamond specifications and retailer prices

From $350 SGD
$274 USD
As of November 1, 2026
Save $1,361 SGD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,712 SGD at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG801678137 or 801678137. Listed at 22 retailers as of November 1, 2026, with prices from $350 to $1,712, a $1,361 spread on the same certified stone. Reve Diamonds lists it at $1,712. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801678137
Dimensions9.59 × 6.77 × 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
9.59 mm6.77 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801678137
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.9%

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: $1,560 SGD|Low: $302 SGD|High: $1,714 SGD|Avg: $878 SGD|-3.5%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 6$302 SGD
Retailer 2$350 SGD
Retailer 4$389 SGD
Retailer 14$389 SGD
Retailer 13$539 SGD
Retailer 10$669 SGD
Retailer 16$717 SGD
Retailer 9$739 SGD
Retailer 8$761 SGD
Retailer 11$907 SGD
Retailer 15$932 SGD
Retailer 7$1,252 SGD
Retailer 12$1,255 SGD
Retailer 5$1,317 SGD
Retailer 3$1,532 SGD
Retailer 1$1,560 SGD
Reve Diamonds$1,712 SGD

40 data points across 17 retailers

22 retailers$350 SGD to $1,712 SGD

Retailer 1
-
$302 SGD
$236 USD
Price last confirmed 28 days ago
Retailer 2
-
$322 SGD
$252 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$350 SGD
$274 USD
View
Final sale: no returns
A
Retailer 4
-
$364 SGD
$285 USD
View
Retailer 5
-
$373 SGD
$292 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$389 SGD
$304 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$389 SGD
$304 USD
View
Retailer 8
-
$389 SGD
$304 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$394 SGD
$308 USD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$539 SGD
$422 USD
View
A
Retailer 11
-
$669 SGD
ZAR 8,451 ZAR
View
A
Retailer 12
-
$717 SGD
$561 USD
View
A
Retailer 13
-
$739 SGD
£455 GBP
View
A
Retailer 14
-
$907 SGD
A$1,092 AUD
View
B+
Retailer 15
-
$932 SGD
$729 USD
View
Retailer 16
-
$1,252 SGD
$979 USD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
$1,252 SGD
$979 USD
View
B+
Retailer 18
-
$1,255 SGD
$982 USD
View
B+
Retailer 19
-
$1,317 SGD
$1,031 USD
View
B
Retailer 20
-
$1,532 SGD
$1,198 USD
View
B+
Retailer 21
-
$1,560 SGD
£961 GBP
View
Most Expensive
B
Reve Diamonds
58C5183D9 · Nov 1
$1,712 SGD
$1,339 USD
View
21 more retailers have this diamond
Prices start from $350 SGDSave up to $1,361 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
$350 SGD