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Oval|Natural|IGI

1.66ct G SI2 Oval Natural Diamond

VG • G/SI2 • IGI 828653736

Shape and cutting style on the report: Oval brilliant

Certificate IGI 828653736

Diamond specifications and retailer prices

From €3,642 EUR
As of November 6, 2026
Save €3,634 EUR (50%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €7,275 EUR at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.66ct natural oval diamond

This 1.66ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653736. Listed at 8 retailers as of November 6, 2026, with prices from €3,642 to €7,275, a €3,634 spread on the same certified stone. NZ Jewellers lists it at €7,275. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 828653736
Dimensions9.08 × 6.63 × 4.29 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Top View
9.08 mm6.63 mm1.66 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653736
Side View
Table 61.0%Crown 35.9°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 64.7%

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 6
Current: €7,275 EUR|Low: €3,642 EUR|High: €7,275 EUR|Avg: €4,512 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8€3,642 EUR
Retailer 2€3,834 EUR
Retailer 7€3,854 EUR
Retailer 4€4,049 EUR
Retailer 3€4,176 EUR
Retailer 6€4,176 EUR
Retailer 5€6,615 EUR
NZ Jewellers€7,275 EUR

2 data points across 8 retailers

8 retailers€3,642 EUR to €7,275 EUR

A
Cheapest Retailer
-
€3,642 EUR
A
Retailer 2
-
€3,834 EUR
View
A
Retailer 3
-
€3,854 EUR
View
Final sale: no returns
A
Retailer 4
-
€4,049 EUR
View
B+
Retailer 5
-
€4,176 EUR
View
B+
Retailer 6
-
€4,176 EUR
View
B+
Retailer 7
-
€6,615 EUR
View
Most Expensive
B
NZ Jewellers
c8dc4676-a6e2-4adb-b93b-bde97a211a15 · Nov 7
€7,275 EUR
$8,123 USD
View
7 more retailers have this diamond
Prices start from €3,642 EURSave up to €3,634 EUR

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
€3,642 EUR