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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG768622672

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768622672

Diamond specifications and retailer prices

From $369 AUD
$259 USD
As of November 1, 2026
Save $2,521 AUD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,890 AUD 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768622672 or 768622672. Listed at 20 retailers as of October 31, 2026, with prices from $369 to $2,890, a $2,521 spread on the same certified stone. Brilliant Earth lists it at $2,890. 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 angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768622672
Dimensions9.47 × 6.74 × 4.12 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.47 mm6.74 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768622672
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 61.1%

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: $2,890 AUD|Low: $357 AUD|High: $3,032 AUD|Avg: $1,017 AUD|-4.7%
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
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
November 1, 2026
Retailer 18$369 AUD
Retailer 5$410 AUD
Retailer 11$427 AUD
Retailer 12$453 AUD
Retailer 20$457 AUD
Retailer 19$683 AUD
Retailer 7$762 AUD
Retailer 2$788 AUD
Retailer 16$804 AUD
Retailer 3$839 AUD
Retailer 4$870 AUD
Retailer 14$872 AUD
Retailer 10$1,054 AUD
Retailer 17$1,402 AUD
Retailer 8$1,468 AUD
Retailer 6$1,540 AUD
Retailer 9$1,779 AUD
Retailer 15$1,795 AUD
Retailer 13$1,830 AUD
Brilliant Earth$2,890 AUD

33 data points across 20 retailers

20 retailers$369 AUD to $2,890 AUD

A
Cheapest Retailer
-
$369 AUD
$259 USD
A
Retailer 2
-
$410 AUD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$427 AUD
$300 USD
View
Retailer 4
-
$453 AUD
$318 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$457 AUD
$321 USD
View
A
Retailer 6
-
$683 AUD
$480 USD
View
A
Retailer 7
-
$762 AUD
$535 USD
View
A
Retailer 8
-
$788 AUD
ZAR 8,943 ZAR
View
A
Retailer 9
-
$804 AUD
€538 EUR
View
A
Retailer 10
-
$839 AUD
$589 USD
View
A
Retailer 11
-
$870 AUD
$611 USD
View
A
Retailer 12
-
$872 AUD
£482 GBP
View
B+
Retailer 13
-
$1,054 AUD
View
B+
Retailer 14
-
$1,402 AUD
$985 USD
View
B+
Retailer 15
-
$1,468 AUD
$1,031 USD
View
B+
Retailer 16
-
$1,540 AUD
$1,082 USD
View
B
Retailer 17
-
$1,779 AUD
£984 GBP
View
B
Retailer 18
-
$1,795 AUD
$1,261 USD
View
B
Retailer 19
-
$1,830 AUD
£1,012 GBP
View
Most Expensive
B
Brilliant Earth
18094821A · Oct 31
$2,890 AUD
$2,030 USD
View
19 more retailers have this diamond
Prices start from $369 AUDSave up to $2,521 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
$369 AUD