Round|Natural|GIA

1.60ct D IF Round Natural Diamond

EX • D/IF • GIA 6421241659

Certificate GIA 6421241659

Diamond specifications and retailer prices

From $25,253 USD
€24,050 EUR
As of November 1, 2026
Save $20,826 USD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $63,951 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.6ct natural round diamond

This 1.6ct 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 6421241659. Listed at 12 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421241659
Dimensions7.69 × 7.66 × 4.52 mm
L/W Ratio1.00
Top View
7.69 mm7.66 mm1.60 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421241659
Side View
Table 60.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $46,078 USD|Low: $24,812 USD|High: $46,633 USD|Avg: $31,807 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$25,253 USD
Retailer 4$25,600 USD
Retailer 6$29,447 USD
Retailer 2$29,537 USD
Retailer 3$34,619 USD
Retailer 1$46,078 USD

38 data points across 6 retailers

12 retailers$25,253 USD to $46,078 USD

B+
Cheapest Retailer
-
$25,253 USD
€24,050 EUR
Retailer 2
-
$25,600 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$27,801 USD
CA$38,612 CAD
View
Retailer 4
-
$29,447 USD
A$45,304 AUD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
$29,537 USD
£23,258 GBP
View
B+
Retailer 6
-
$30,950 USD
View
B+
Retailer 7
-
$30,950 USD
View
B+
Retailer 8
-
$31,980 USD
View
B+
Retailer 9
-
$32,141 USD
View
B+
Retailer 10
-
$34,619 USD
€32,970 EUR
View
B
Retailer 11
-
$46,078 USD
£36,282 GBP
View
Most Expensive
Diamond Quarter
1.6IFD64590CC7N · Oct 31
$63,951 USD
£50,355 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $25,253 USDSave up to $20,826 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.

B+
1.60ct Round
$25,253 USD