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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG787623981

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787623981

Diamond specifications and retailer prices

From $376 AUD
$264 USD
As of November 1, 2026
Save $2,158 AUD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,697 AUD at Novita Diamonds · As of July 28, 2026
View at Novita 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787623981 or 787623981. Listed at 21 retailers as of October 31, 2026, with a 574% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623981
Dimensions9.54 × 6.73 × 4.12 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.54 mm6.73 mm1.66 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623981
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.2%

Caratlytics Score

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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: $891 AUD|Low: $376 AUD|High: $2,605 AUD|Avg: $1,259 AUD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 12
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Retailer 20
November 2, 2026
Retailer 6$376 AUD
Retailer 14$420 AUD
Retailer 10$467 AUD
Retailer 16$756 AUD
Retailer 8$774 AUD
Retailer 2$776 AUD
Retailer 12$802 AUD
Retailer 17$847 AUD
Retailer 1$891 AUD
Retailer 13$1,046 AUD
Retailer 20$1,082 AUD
Retailer 5$1,217 AUD
Retailer 18$1,569 AUD
Retailer 11$1,692 AUD
Retailer 15$1,829 AUD
Retailer 3$1,871 AUD
Retailer 9$1,886 AUD
Retailer 19$1,988 AUD
Retailer 4$2,107 AUD
Retailer 7$2,534 AUD

37 data points across 20 retailers

21 retailers$376 AUD to $2,534 AUD

A
Cheapest Retailer
-
$376 AUD
$264 USD
A
Retailer 2
-
$420 AUD
$295 USD
View
Final sale: no returns
Retailer 3
-
$467 AUD
$328 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$756 AUD
€506 EUR
View
A
Retailer 5
-
$774 AUD
$544 USD
View
A
Retailer 6
-
$776 AUD
$545 USD
View
A
Retailer 7
-
$802 AUD
ZAR 9,104 ZAR
View
A
Retailer 8
-
$847 AUD
$595 USD
View
A
Retailer 9
-
$891 AUD
£493 GBP
View
B+
Retailer 10
-
$1,046 AUD
$735 USD
View
B+
Retailer 11
-
$1,082 AUD
View
B+
Retailer 12
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$1,217 AUD
$855 USD
View
B+
Retailer 13
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$1,569 AUD
$1,102 USD
View
B
Retailer 14
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$1,704 AUD
$1,197 USD
View
B
Retailer 15
-
$1,829 AUD
$1,285 USD
View
B+
Retailer 16
-
$1,871 AUD
£1,035 GBP
View
B
Retailer 17
-
$1,925 AUD
$1,352 USD
View
B
Retailer 18
-
$1,988 AUD
$1,396 USD
View
B
Retailer 19
-
$2,107 AUD
$1,480 USD
View
B
Retailer 20
-
$2,534 AUD
$1,780 USD
View
Most Expensive
Novita Diamonds
cert_787623981 · Jul 28
$2,697 AUD
View
Price last confirmed 96 days ago
20 more retailers have this diamond
Prices start from $376 AUDSave up to $2,158 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
$376 AUD