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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG804668337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804668337

Diamond specifications and retailer prices

From $3,733 SGD
$2,920 USD
As of October 31, 2026
16 retailers carry this diamond
Most expensive: $3,733 SGD at Brilliant Earth
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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804668337 or 804668337. Listed at 16 retailers as of October 31, 2026. 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 angle35.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668337
Dimensions10.66 × 6.21 × 3.93 mm
L/W Ratio1.72
Girdle conditionFaceted
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
10.66 mm6.21 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668337
Side View
Table 60.0%Crown 35.1°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $3,733 SGD|Low: $302 SGD|High: $3,733 SGD|Avg: $946 SGD|+64.0%
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
Retailer 21
October 10, 2026
Retailer 8$306 SGD
Retailer 7$394 SGD
Retailer 10$394 SGD
Retailer 18$560 SGD
Retailer 20$665 SGD
Retailer 5$670 SGD
Retailer 3$673 SGD
Retailer 2$920 SGD
Retailer 12$927 SGD
Retailer 15$940 SGD
Retailer 19$986 SGD
Retailer 16$996 SGD
Retailer 21$1,010 SGD
Retailer 9$1,267 SGD
Retailer 14$1,308 SGD
Retailer 11$1,482 SGD
Retailer 4$1,594 SGD
Retailer 13$1,602 SGD
Retailer 6$1,898 SGD
Retailer 17$2,042 SGD
Brilliant Earth$3,733 SGD

22 data points across 21 retailers

16 retailers

Retailer 1
-
$306 SGD
$239 USD
Price last confirmed 28 days ago
Retailer 2
-
$373 SGD
$292 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$394 SGD
$308 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$394 SGD
$308 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$665 SGD
£409 GBP
View
Price last confirmed 23 days ago
Retailer 6
-
$673 SGD
ZAR 8,507 ZAR
View
Price last confirmed 24 days ago
Retailer 7
-
$906 SGD
$709 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$1,267 SGD
$991 USD
View
Price last confirmed 25 days ago
Retailer 9
-
$1,308 SGD
View
Price last confirmed 25 days ago
Retailer 10
-
$1,406 SGD
$1,100 USD
View
Price last confirmed 25 days ago
Retailer 11
-
$1,482 SGD
$1,159 USD
View
Price last confirmed 25 days ago
Retailer 12
-
$1,594 SGD
£982 GBP
View
Price last confirmed 24 days ago
Retailer 13
-
$1,602 SGD
$1,253 USD
View
Price last confirmed 23 days ago
Retailer 14
-
$1,898 SGD
$1,485 USD
View
Price last confirmed 25 days ago
Retailer 15
-
$2,042 SGD
$1,598 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21420807A · Oct 31
$3,733 SGD
$2,920 USD
View
15 more retailers have this diamond

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.

B
1.66ct Oval
$3,733 SGD