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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG834618563

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG834618563

Diamond specifications and retailer prices

From $354 AUD
$249 USD
As of November 1, 2026
Save $1,405 AUD (80%) vs most expensive(unlock to see where)
21 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 LG834618563 or 834618563. Listed at 21 retailers as of November 1, 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 angle33.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834618563
Dimensions9.48 × 6.75 × 4.09 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 mm6.75 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834618563
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.6%

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: Nov 1
Current: $3,236 AUD|Low: $261 AUD|High: $3,236 AUD|Avg: $1,273 AUD
Queensmith
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
November 1, 2026
Retailer 6$327 AUD
Retailer 17$394 AUD
Retailer 9$407 AUD
Retailer 5$703 AUD
Retailer 12$736 AUD
Retailer 13$754 AUD
Retailer 10$834 AUD
Retailer 14$864 AUD
Retailer 15$1,023 AUD
Retailer 11$1,415 AUD
Retailer 3$1,484 AUD
Retailer 7$1,537 AUD
Retailer 8$1,626 AUD
Retailer 16$1,727 AUD
Retailer 2$1,759 AUD
Retailer 4$2,890 AUD
Queensmith$3,236 AUD

39 data points across 17 retailers

21 retailers$354 AUD to $1,759 AUD

Retailer 1
-
$327 AUD
$230 USD
Price last confirmed 13 days ago
Retailer 2
-
$329 AUD
$231 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$354 AUD
$249 USD
View
Retailer 4
-
$382 AUD
$268 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$394 AUD
$277 USD
View
Final sale: no returns
Retailer 6
-
$403 AUD
$283 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$406 AUD
$285 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$736 AUD
$517 USD
View
A
Retailer 9
-
$754 AUD
ZAR 8,554 ZAR
View
A
Retailer 10
-
$834 AUD
£462 GBP
View
A
Retailer 11
-
$864 AUD
$607 USD
View
B+
Retailer 12
-
$1,023 AUD
View
Retailer 13
-
$1,307 AUD
$918 USD
View
Price last confirmed 14 days ago
Retailer 14
-
$1,311 AUD
$921 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
$1,415 AUD
$994 USD
View
B+
Retailer 16
-
$1,484 AUD
$1,042 USD
View
Retailer 17
-
$1,537 AUD
View
Price last confirmed 24 days ago
B
Retailer 18
-
$1,727 AUD
$1,213 USD
View
B
Retailer 19
-
$1,759 AUD
£973 GBP
View
Retailer 20
-
$2,890 AUD
$2,030 USD
View
Price last confirmed 12 days ago
Most Expensive
Queensmith
LG834618563 · Oct 20
$3,236 AUD
£1,790 GBP
View
Price last confirmed 12 days ago
20 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