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Round|Natural|GIA

1.65ct D IF Round Natural Diamond

EX • D/IF • GIA 1518169931

Certificate GIA 1518169931

Diamond specifications and retailer prices

From €21,030 EUR
£18,500 GBP
As of November 1, 2026
Save €18,668 EUR (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €39,698 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.65ct natural round diamond

This 1.65ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1518169931. Listed at 4 retailers as of October 29, 2026, with prices from €21,030 to €39,698, a €18,668 spread on the same certified stone. Diamond Quarter lists it at €39,698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1518169931
Dimensions7.50 × 7.55 × 4.73 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Minor details of polish are not shown.
Top View
7.50 mm7.55 mm1.65 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518169931
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: €32,250 EUR|Low: €20,903 EUR|High: €32,638 EUR|Avg: €26,178 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€21,030 EUR
Retailer 2€24,944 EUR
Retailer 1€32,250 EUR

39 data points across 3 retailers

4 retailers€21,030 EUR to €39,698 EUR

A
Cheapest Retailer
-
€21,030 EUR
£18,500 GBP
B+
Retailer 2
-
€24,944 EUR
View
B+
Retailer 3
-
€32,250 EUR
£28,370 GBP
View
Most Expensive
B
Diamond Quarter
1.65IFD15311D26N · Oct 29
€39,698 EUR
£34,922 GBP
View
3 more retailers have this diamond
Prices start from €21,030 EURSave up to €18,668 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
1.65ct Round
€21,030 EUR