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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 $23,353 USD
£18,388 GBP
As of October 28, 2026
Save $20,998 USD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $44,351 USD at Diamond Quarter · As of October 28, 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 28, 2026, with prices from $23,353 to $44,351, a $20,998 spread on the same certified stone. Diamond Quarter lists it at $44,351. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $36,222 USD|Low: $23,353 USD|High: $36,463 USD|Avg: $29,036 USD|+0.4%
Retailer 1
Retailer 2
Retailer 3
October 29, 2026
Retailer 2$23,353 USD
Retailer 3$27,839 USD
Retailer 1$36,222 USD

39 data points across 3 retailers

4 retailers$23,353 USD to $44,351 USD

A
Cheapest Retailer
-
$23,353 USD
£18,388 GBP
Returns within 30 days
B+
Retailer 2
-
$27,839 USD
€26,513 EUR
View
Returns within 100 days
B+
Retailer 3
-
$36,222 USD
£28,521 GBP
View
Most Expensive
B
Diamond Quarter
1.65IFD15311D26N · Oct 28
$44,351 USD
£34,922 GBP
View
Returns within 30 days
3 more retailers have this diamond
Prices start from $23,353 USDSave up to $20,998 USD

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
$23,353 USD