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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG765627159

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG765627159

Diamond specifications and retailer prices

From $531 SGD
$415 USD
As of November 1, 2026
Save $2,896 SGD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,426 SGD at Brilliant Earth · As of October 31, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG765627159 or 765627159. Listed at 16 retailers as of October 31, 2026, with prices from $531 to $3,426, a $2,896 spread on the same certified stone. Brilliant Earth lists it at $3,426. 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 angle40.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765627159
Dimensions9.15 × 6.53 × 4.21 mm
L/W Ratio1.40
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
9.15 mm6.53 mm1.66 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765627159
Side View
Table 61.0%Crown 40.5°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 64.5%

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: $3,426 SGD|Low: $423 SGD|High: $3,528 SGD|Avg: $1,318 SGD|-2.9%
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
November 2, 2026
Retailer 7$423 SGD
Retailer 12$531 SGD
Retailer 8$689 SGD
Retailer 11$744 SGD
Retailer 9$748 SGD
Retailer 2$754 SGD
Retailer 15$933 SGD
Retailer 10$983 SGD
Retailer 3$1,349 SGD
Retailer 13$1,570 SGD
Retailer 5$1,607 SGD
Retailer 4$1,618 SGD
Retailer 14$1,755 SGD
Retailer 6$1,886 SGD
Brilliant Earth$3,426 SGD

42 data points across 15 retailers

16 retailers$531 SGD to $3,426 SGD

Retailer 1
-
$423 SGD
$331 USD
Price last confirmed 24 days ago
B+
Retailer 2
-
$531 SGD
$415 USD
View
A
Retailer 3
-
$630 SGD
€469 EUR
View
A
Retailer 4
-
$689 SGD
ZAR 8,708 ZAR
View
A
Retailer 5
-
$744 SGD
$582 USD
View
A
Retailer 6
-
$748 SGD
€557 EUR
View
A
Retailer 7
-
$754 SGD
£464 GBP
View
B+
Retailer 8
-
$933 SGD
$730 USD
View
B+
Retailer 9
-
$983 SGD
$769 USD
View
B+
Retailer 10
-
$1,349 SGD
$1,055 USD
View
B+
Retailer 11
-
$1,570 SGD
$1,228 USD
View
B+
Retailer 12
-
$1,607 SGD
£990 GBP
View
B
Retailer 13
-
$1,618 SGD
$1,266 USD
View
B+
Retailer 14
-
$1,755 SGD
A$2,112 AUD
View
B
Retailer 15
-
$1,886 SGD
$1,475 USD
View
Most Expensive
B
Brilliant Earth
17432904A · Oct 31
$3,426 SGD
$2,680 USD
View
15 more retailers have this diamond
Prices start from $531 SGDSave up to $2,896 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
$531 SGD