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Oval|Lab Grown|IGI

1.66ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG782601600

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782601600

Diamond specifications and retailer prices

From $437 SGD
$342 USD
As of October 29, 2026
Save $4,644 SGD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,082 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG782601600 or 782601600. Listed at 24 retailers as of October 28, 2026, with prices from $437 to $5,082, a $4,644 spread on the same certified stone. Rare Carat lists it at $5,082. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782601600
Dimensions9.42 × 6.67 × 4.19 mm
L/W Ratio1.41
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
9.42 mm6.67 mm1.66 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782601600
Side View
Table 60.0%Crown 34.5°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 62.8%

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: Oct 29
Current: $5,082 SGD|Low: $427 SGD|High: $5,133 SGD|Avg: $1,459 SGD|-1.0%
Rare Carat
Retailer 2
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Retailer 22
November 1, 2026
Retailer 8$437 SGD
Retailer 16$488 SGD
Retailer 3$508 SGD
Retailer 15$542 SGD
Retailer 21$542 SGD
Retailer 19$735 SGD
Retailer 6$874 SGD
Retailer 5$877 SGD
Retailer 18$932 SGD
Retailer 20$961 SGD
Retailer 13$974 SGD
Retailer 9$1,556 SGD
Retailer 7$1,590 SGD
Retailer 14$1,744 SGD
Retailer 11$1,799 SGD
Retailer 22$1,892 SGD
Retailer 12$1,911 SGD
Retailer 10$2,104 SGD
Retailer 2$2,174 SGD
Retailer 4$2,575 SGD
Retailer 17$4,334 SGD
Rare Carat$5,082 SGD

22 data points across 22 retailers

24 retailers$437 SGD to $5,082 SGD

A
Cheapest Retailer
-
$437 SGD
$342 USD
A
Retailer 2
-
$488 SGD
$382 USD
View
Final sale: no returns
A
Retailer 3
-
$508 SGD
$397 USD
View
Retailer 4
-
$542 SGD
$424 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$542 SGD
$424 USD
View
A
Retailer 6
-
$735 SGD
$575 USD
View
A
Retailer 7
-
$874 SGD
$684 USD
View
A
Retailer 8
-
$877 SGD
$686 USD
View
A
Retailer 9
-
$932 SGD
ZAR 11,780 ZAR
View
A
Retailer 10
-
$961 SGD
€716 EUR
View
A
Retailer 11
-
$974 SGD
£600 GBP
View
Retailer 12
-
$1,374 SGD
$1,075 USD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$1,556 SGD
$1,217 USD
View
B+
Retailer 14
-
$1,590 SGD
$1,244 USD
View
B+
Retailer 15
-
$1,744 SGD
$1,364 USD
View
B+
Retailer 16
-
$1,799 SGD
$1,407 USD
View
B+
Retailer 17
-
$1,892 SGD
$1,480 USD
View
B+
Retailer 18
-
$1,911 SGD
View
B+
Retailer 19
-
$2,097 SGD
$1,640 USD
View
B
Retailer 20
-
$2,104 SGD
£1,296 GBP
View
B+
Retailer 21
-
$2,174 SGD
£1,339 GBP
View
B+
Retailer 22
-
$2,575 SGD
$2,014 USD
View
B
Retailer 23
-
$4,334 SGD
$3,390 USD
View
Most Expensive
B
Rare Carat
MR-168077 · Oct 28
$5,082 SGD
$3,975 USD
View
23 more retailers have this diamond
Prices start from $437 SGDSave up to $4,644 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
$437 SGD