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Oval|Lab Grown|IGI

1.66ct D VS2 Oval Lab Grown Diamond

EX • D/VS2 • IGI LG821687001

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821687001

Diamond specifications and retailer prices

From $317 AUD
$222 USD
As of October 29, 2026
Save $1,330 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,647 AUD at With Clarity · As of November 1, 2026
View at With Clarity

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821687001 or 821687001. Listed at 12 retailers as of October 29, 2026, with prices from $317 to $1,647, a $1,330 spread on the same certified stone. With Clarity lists it at $1,647. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821687001
Dimensions9.36 × 6.65 × 4.18 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm6.65 mm1.66 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821687001
Side View
Table 61.0%Crown 38°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: $656 AUD|Low: $317 AUD|High: $1,739 AUD|Avg: $1,174 AUD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 7$317 AUD
Retailer 5$367 AUD
Retailer 10$439 AUD
Retailer 1$656 AUD
Retailer 2$869 AUD
Retailer 9$1,260 AUD
Retailer 6$1,264 AUD
Retailer 11$1,427 AUD
Retailer 8$1,463 AUD
Retailer 4$1,578 AUD
Retailer 3$1,618 AUD
With Clarity$1,647 AUD

26 data points across 12 retailers

12 retailers$317 AUD to $1,647 AUD

A
Cheapest Retailer
-
$317 AUD
$222 USD
A
Retailer 2
-
$367 AUD
$257 USD
View
A
Retailer 3
-
$656 AUD
€438 EUR
View
A
Retailer 4
-
$869 AUD
$609 USD
View
B+
Retailer 5
-
$1,260 AUD
$883 USD
View
B+
Retailer 6
-
$1,264 AUD
$886 USD
View
B+
Retailer 7
-
$1,427 AUD
$1,000 USD
View
Retailer 8
-
$1,463 AUD
$1,025 USD
View
Price last confirmed 12 days ago
B
Retailer 9
-
$1,534 AUD
$1,075 USD
View
B+
Retailer 10
-
$1,578 AUD
£871 GBP
View
Retailer 11
-
$1,618 AUD
SGD 1,532 SGD
View
Price last confirmed 21 days ago
Most Expensive
B
With Clarity
821687001 · Nov 1
$1,647 AUD
$1,154 USD
View
11 more retailers have this diamond
Prices start from $317 AUDSave up to $1,330 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
$317 AUD