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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

VG • E/VS1 • IGI LG837696816

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837696816

Diamond specifications and retailer prices

From $329 AUD
$231 USD
As of October 29, 2026
Save $2,907 AUD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,236 AUD at Queensmith · As of October 27, 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 very-good cut grade and certified by IGI LG837696816 or 837696816. Listed at 20 retailers as of October 27, 2026, with prices from $329 to $3,236, a $2,907 spread on the same certified stone. Queensmith lists it at $3,236. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.66
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837696816
Dimensions9.50 × 6.58 × 4.17 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.50 mm6.58 mm1.66 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837696816
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.4%

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: $3,236 AUD|Low: $315 AUD|High: $3,236 AUD|Avg: $1,073 AUD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 13
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Retailer 16
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Retailer 21
November 1, 2026
Retailer 5$329 AUD
Retailer 10$367 AUD
Retailer 6$382 AUD
Retailer 8$407 AUD
Retailer 9$407 AUD
Retailer 2$476 AUD
Retailer 17$689 AUD
Retailer 4$704 AUD
Retailer 13$767 AUD
Retailer 14$857 AUD
Retailer 12$881 AUD
Retailer 18$951 AUD
Retailer 20$1,308 AUD
Retailer 19$1,313 AUD
Retailer 21$1,383 AUD
Retailer 3$1,481 AUD
Retailer 7$1,537 AUD
Retailer 16$1,640 AUD
Retailer 11$1,656 AUD
Retailer 15$1,657 AUD
Queensmith$3,236 AUD

31 data points across 21 retailers

20 retailers$329 AUD to $3,236 AUD

A
Cheapest Retailer
-
$329 AUD
$231 USD
A
Retailer 2
-
$367 AUD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$382 AUD
$268 USD
View
A
Retailer 4
-
$407 AUD
$286 USD
View
A
Retailer 5
-
$407 AUD
$286 USD
View
A
Retailer 6
-
$476 AUD
£263 GBP
View
B+
Retailer 7
-
$689 AUD
$484 USD
View
A
Retailer 8
-
$767 AUD
£424 GBP
View
B+
Retailer 9
-
$857 AUD
$602 USD
View
B+
Retailer 10
-
$881 AUD
$619 USD
View
A
Retailer 11
-
$951 AUD
View
B+
Retailer 12
-
$1,308 AUD
$919 USD
View
B
Retailer 13
-
$1,313 AUD
$922 USD
View
B+
Retailer 14
-
$1,383 AUD
$972 USD
View
Retailer 15
-
$1,481 AUD
$1,040 USD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$1,537 AUD
View
B
Retailer 17
-
$1,640 AUD
£907 GBP
View
B
Retailer 18
-
$1,656 AUD
$1,163 USD
View
B
Retailer 19
-
$1,657 AUD
$1,164 USD
View
Most Expensive
B
Queensmith
LG837696816 · Oct 27
$3,236 AUD
£1,790 GBP
View
19 more retailers have this diamond
Prices start from $329 AUDSave up to $2,907 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
$329 AUD