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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG835639081

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG835639081

Diamond specifications and retailer prices

From $354 AUD
$249 USD
As of October 29, 2026
Save $1,405 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,236 AUD at Queensmith · As of October 20, 2026
View at Queensmith

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 LG835639081 or 835639081. Listed at 19 retailers as of October 29, 2026, with a 396% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835639081
Dimensions9.48 × 6.76 × 4.24 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.48 mm6.76 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835639081
Side View
Table 60.0%Crown 35.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,759 AUD|Low: $315 AUD|High: $1,768 AUD|Avg: $940 AUD|+4.1%
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
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 7$354 AUD
Retailer 6$394 AUD
Retailer 10$406 AUD
Retailer 3$410 AUD
Retailer 15$438 AUD
Retailer 12$513 AUD
Retailer 9$703 AUD
Retailer 17$736 AUD
Retailer 19$754 AUD
Retailer 16$803 AUD
Retailer 13$834 AUD
Retailer 2$864 AUD
Retailer 4$1,023 AUD
Retailer 18$1,411 AUD
Retailer 14$1,415 AUD
Retailer 8$1,484 AUD
Retailer 11$1,537 AUD
Retailer 5$1,727 AUD
Retailer 1$1,759 AUD

32 data points across 19 retailers

19 retailers$354 AUD to $1,759 AUD

A
Cheapest Retailer
-
$354 AUD
$249 USD
A
Retailer 2
-
$394 AUD
$277 USD
View
Final sale: no returns
Retailer 3
-
$406 AUD
$285 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$410 AUD
$288 USD
View
A
Retailer 5
-
$438 AUD
$308 USD
View
A
Retailer 6
-
$513 AUD
£284 GBP
View
A
Retailer 7
-
$736 AUD
$517 USD
View
A
Retailer 8
-
$754 AUD
ZAR 8,554 ZAR
View
A
Retailer 9
-
$803 AUD
$564 USD
View
A
Retailer 10
-
$834 AUD
£462 GBP
View
A
Retailer 11
-
$864 AUD
$607 USD
View
B+
Retailer 12
-
$1,023 AUD
View
B+
Retailer 13
-
$1,411 AUD
$991 USD
View
B+
Retailer 14
-
$1,415 AUD
$994 USD
View
B+
Retailer 15
-
$1,484 AUD
$1,042 USD
View
Retailer 16
-
$1,537 AUD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$1,727 AUD
$1,213 USD
View
B
Retailer 18
-
$1,759 AUD
£973 GBP
View
Most Expensive
Queensmith
LG835639081 · Oct 20
$3,236 AUD
£1,790 GBP
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from $354 AUDSave up to $1,405 AUD

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
$354 AUD