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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG818650547

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818650547

Diamond specifications and retailer prices

From $387 AUD
$272 USD
As of November 1, 2026
Save $1,510 AUD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,897 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG818650547 or 818650547. Listed at 20 retailers as of November 1, 2026, with prices from $387 to $1,897, a $1,510 spread on the same certified stone. Reve Diamonds lists it at $1,897. 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 angle38.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818650547
Dimensions9.68 × 6.28 × 4.11 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.28 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818650547
Side View
Table 62.0%Crown 38.4°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 65.4%

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: Nov 1
Current: $742 AUD|Low: $387 AUD|High: $1,908 AUD|Avg: $1,154 AUD|+0.6%
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
Reve Diamonds
November 1, 2026
Retailer 3$387 AUD
Retailer 15$474 AUD
Retailer 9$502 AUD
Retailer 11$581 AUD
Retailer 13$713 AUD
Retailer 1$742 AUD
Retailer 10$816 AUD
Retailer 14$861 AUD
Retailer 12$1,002 AUD
Retailer 2$1,075 AUD
Retailer 4$1,456 AUD
Retailer 7$1,516 AUD
Retailer 8$1,692 AUD
Retailer 5$1,732 AUD
Retailer 16$1,750 AUD
Retailer 6$1,765 AUD
Reve Diamonds$1,897 AUD

38 data points across 17 retailers

20 retailers$387 AUD to $1,897 AUD

Retailer 1
-
$350 AUD
$246 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$387 AUD
$272 USD
View
Final sale: no returns
Retailer 3
-
$406 AUD
$285 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$429 AUD
$301 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$474 AUD
HK$2,600 HKD
View
A
Retailer 6
-
$502 AUD
£278 GBP
View
B+
Retailer 7
-
$581 AUD
$408 USD
View
A
Retailer 8
-
$713 AUD
€477 EUR
View
A
Retailer 9
-
$742 AUD
ZAR 8,423 ZAR
View
A
Retailer 10
-
$816 AUD
£451 GBP
View
A
Retailer 11
-
$861 AUD
$605 USD
View
A
Retailer 12
-
$1,002 AUD
View
B+
Retailer 13
-
$1,075 AUD
$755 USD
View
Retailer 14
-
$1,397 AUD
$981 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
$1,456 AUD
$1,023 USD
View
Retailer 16
-
$1,516 AUD
$1,065 USD
View
Price last confirmed 34 days ago
B
Retailer 17
-
$1,732 AUD
£958 GBP
View
B
Retailer 18
-
$1,750 AUD
$1,229 USD
View
B
Retailer 19
-
$1,765 AUD
$1,240 USD
View
Most Expensive
B
Reve Diamonds
61110BE7F · Nov 1
$1,897 AUD
$1,333 USD
View
19 more retailers have this diamond
Prices start from $387 AUDSave up to $1,510 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
$387 AUD