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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG825654007

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825654007

Diamond specifications and retailer prices

From $491 NZD
$277 USD
As of November 1, 2026
Save $3,572 NZD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,063 NZD 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825654007 or 825654007. Listed at 24 retailers as of October 31, 2026, with prices from $491 to $4,063, a $3,572 spread on the same certified stone. Brilliant Earth lists it at $4,063. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654007
Dimensions9.65 × 6.44 × 4.15 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm6.44 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654007
Side View
Table 62.0%Crown 33.7°Girdle: Slightly ThickPavilion 42.1°Culet: NoneDepth 64.4%

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: Nov 1
Current: $4,063 NZD|Low: $472 NZD|High: $4,187 NZD|Avg: $1,513 NZD|-3.0%
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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 5$491 NZD
Retailer 8$548 NZD
Retailer 11$570 NZD
Retailer 9$609 NZD
Retailer 4$647 NZD
Retailer 16$816 NZD
Retailer 19$887 NZD
Retailer 20$958 NZD
Retailer 13$1,049 NZD
Retailer 2$1,063 NZD
Retailer 12$1,215 NZD
Retailer 18$1,415 NZD
Retailer 15$1,458 NZD
Retailer 10$1,957 NZD
Retailer 6$2,342 NZD
Retailer 17$2,436 NZD
Retailer 14$2,438 NZD
Retailer 7$2,552 NZD
Retailer 3$2,635 NZD
Brilliant Earth$4,063 NZD

40 data points across 20 retailers

24 retailers$491 NZD to $4,063 NZD

A
Cheapest Retailer
-
$491 NZD
$277 USD
A
Retailer 2
-
$548 NZD
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$570 NZD
$321 USD
View
Retailer 4
-
$609 NZD
$343 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$609 NZD
$343 USD
View
B+
Retailer 6
-
$816 NZD
$460 USD
View
A
Retailer 7
-
$887 NZD
$500 USD
View
A
Retailer 8
-
$958 NZD
€514 EUR
View
A
Retailer 9
-
$1,049 NZD
ZAR 9,554 ZAR
View
A
Retailer 10
-
$1,063 NZD
£472 GBP
View
A
Retailer 11
-
$1,215 NZD
$685 USD
View
B+
Retailer 12
-
$1,283 NZD
$723 USD
View
B+
Retailer 13
-
$1,311 NZD
$739 USD
View
B+
Retailer 14
-
$1,415 NZD
A$1,227 AUD
View
B+
Retailer 15
-
$1,458 NZD
$822 USD
View
B+
Retailer 16
-
$1,957 NZD
$1,103 USD
View
B+
Retailer 17
-
$2,046 NZD
$1,153 USD
View
B
Retailer 18
-
$2,342 NZD
$1,320 USD
View
B
Retailer 19
-
$2,436 NZD
A$2,112 AUD
View
B
Retailer 20
-
$2,438 NZD
£1,082 GBP
View
B
Retailer 21
-
$2,527 NZD
$1,424 USD
View
B
Retailer 22
-
$2,552 NZD
$1,438 USD
View
B
Retailer 23
-
$2,635 NZD
$1,485 USD
View
Most Expensive
B
Brilliant Earth
21202258A · Oct 31
$4,063 NZD
$2,290 USD
View
23 more retailers have this diamond
Prices start from $491 NZDSave up to $3,572 NZD

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
$491 NZD