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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG818650547

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818650547

Diamond specifications and retailer prices

From $348 SGD
$272 USD
As of November 1, 2026
Save $1,356 SGD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,704 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818650547 or 818650547. Listed at 20 retailers as of November 1, 2026, with prices from $348 to $1,704, a $1,356 spread on the same certified stone. Reve Diamonds lists it at $1,704. 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 angle38.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818650547
Dimensions9.68 × 6.28 × 4.11 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.28 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818650547
Side View
Table 62.0%Crown 38.4°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 65.4%

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: $733 SGD|Low: $348 SGD|High: $1,714 SGD|Avg: $991 SGD|+3.4%
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
Reve Diamonds
November 2, 2026
Retailer 3$348 SGD
Retailer 14$426 SGD
Retailer 9$451 SGD
Retailer 10$522 SGD
Retailer 12$641 SGD
Retailer 8$667 SGD
Retailer 1$733 SGD
Retailer 13$774 SGD
Retailer 11$900 SGD
Retailer 2$966 SGD
Retailer 4$1,308 SGD
Retailer 7$1,362 SGD
Retailer 5$1,556 SGD
Retailer 15$1,572 SGD
Retailer 6$1,586 SGD
Reve Diamonds$1,704 SGD

38 data points across 16 retailers

20 retailers$348 SGD to $1,704 SGD

Retailer 1
-
$315 SGD
$246 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$348 SGD
$272 USD
View
Final sale: no returns
Retailer 3
-
$364 SGD
$285 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$385 SGD
$301 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$426 SGD
HK$2,600 HKD
View
A
Retailer 6
-
$451 SGD
£278 GBP
View
B+
Retailer 7
-
$522 SGD
$408 USD
View
A
Retailer 8
-
$641 SGD
€477 EUR
View
A
Retailer 9
-
$667 SGD
ZAR 8,423 ZAR
View
A
Retailer 10
-
$733 SGD
£451 GBP
View
A
Retailer 11
-
$774 SGD
$605 USD
View
A
Retailer 12
-
$900 SGD
A$1,083 AUD
View
B+
Retailer 13
-
$966 SGD
$755 USD
View
Retailer 14
-
$1,255 SGD
$981 USD
View
Price last confirmed 35 days ago
B+
Retailer 15
-
$1,308 SGD
$1,023 USD
View
Retailer 16
-
$1,362 SGD
$1,065 USD
View
Price last confirmed 35 days ago
B
Retailer 17
-
$1,556 SGD
£958 GBP
View
B
Retailer 18
-
$1,572 SGD
$1,229 USD
View
B
Retailer 19
-
$1,586 SGD
$1,240 USD
View
Most Expensive
B
Reve Diamonds
61110BE7F · Nov 1
$1,704 SGD
$1,333 USD
View
19 more retailers have this diamond
Prices start from $348 SGDSave up to $1,356 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
$348 SGD