Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 1535608887

Certificate GIA 1535608887

Diamond specifications and retailer prices

From $5,048 USD
£3,975 GBP
As of November 2, 2026
Save $4,378 USD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,426 USD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1535608887. Listed at 8 retailers as of November 2, 2026, with prices from $5,048 to $9,426, a $4,378 spread on the same certified stone. NZ Jewellers lists it at $9,426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1535608887
Dimensions6.79 × 6.83 × 4.24 mm
L/W Ratio1.01
Star length50%
Top View
6.79 mm6.83 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535608887
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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: Nov 2
Current: $9,426 USD|Low: $4,122 USD|High: $9,426 USD|Avg: $6,453 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$5,048 USD
Retailer 8$5,157 USD
Retailer 6$5,202 USD
Retailer 7$5,839 USD
Retailer 3$6,057 USD
Retailer 5$6,179 USD
Retailer 4$8,976 USD
NZ Jewellers$9,426 USD

44 data points across 8 retailers

8 retailers$5,048 USD to $9,426 USD

A
Cheapest Retailer
-
$5,048 USD
£3,975 GBP
B+
Retailer 2
-
$5,157 USD
View
B+
Retailer 3
-
$5,202 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,839 USD
View
B+
Retailer 5
-
$6,057 USD
€5,769 EUR
View
B+
Retailer 6
-
$6,179 USD
£4,865 GBP
View
B
Retailer 7
-
$8,976 USD
£7,068 GBP
View
Most Expensive
B
NZ Jewellers
ec10c841-1216-4ba8-8e4d-d0dd0c12a3b2 · Nov 2
$9,426 USD
View
7 more retailers have this diamond
Prices start from $5,048 USDSave up to $4,378 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
1.21ct Round
$5,048 USD