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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 $30,035 SGD
£18,500 GBP
As of October 30, 2026
Save $26,663 SGD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $56,698 SGD 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 $30,035 to $56,698, a $26,663 spread on the same certified stone. Diamond Quarter lists it at $56,698. 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
Colour
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: Oct 30
Current: $30,035 SGD|Low: $29,854 SGD|High: $46,614 SGD|Avg: $37,302 SGD|-0.6%
Retailer 1
Retailer 2
Retailer 3
October 30, 2026
Retailer 1$30,035 SGD
Retailer 2$35,879 SGD
Retailer 3$46,306 SGD

38 data points across 3 retailers

4 retailers$30,035 SGD to $56,698 SGD

A
Cheapest Retailer
-
$30,035 SGD
£18,500 GBP
B+
Retailer 2
-
$35,879 SGD
€26,729 EUR
View
B+
Retailer 3
-
$46,306 SGD
£28,521 GBP
View
Most Expensive
B
Diamond Quarter
1.65IFD15311D26N · Oct 29
$56,698 SGD
£34,922 GBP
View
3 more retailers have this diamond
Prices start from $30,035 SGDSave up to $26,663 SGD

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
$30,035 SGD