Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 1242066039

Certificate GIA 1242066039

Diamond specifications and retailer prices

From $3,763 USD
HK$29,400 HKD
As of October 28, 2026
Save $4,890 USD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,653 USD at NZ Jewellers · As of October 27, 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 1242066039. Listed at 11 retailers as of October 27, 2026, with prices from $3,763 to $8,653, a $4,890 spread on the same certified stone. NZ Jewellers lists it at $8,653. 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
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1242066039
Dimensions6.70 × 6.76 × 4.22 mm
L/W Ratio1.01
Top View
6.70 mm6.76 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242066039
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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: $8,653 USD|Low: $3,763 USD|High: $8,949 USD|Avg: $5,670 USD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 7$3,763 USD
Retailer 4$4,329 USD
Retailer 3$4,526 USD
Retailer 5$4,649 USD
Retailer 11$4,830 USD
Retailer 8$5,173 USD
Retailer 9$5,173 USD
Retailer 10$5,477 USD
Retailer 2$5,723 USD
Retailer 6$8,251 USD
NZ Jewellers$8,653 USD

21 data points across 11 retailers

11 retailers$3,763 USD to $8,653 USD

A
Cheapest Retailer
-
$3,763 USD
HK$29,400 HKD
Retailer 2
-
$4,329 USD
€4,123 EUR
View
Price last confirmed 5 days ago
A
Retailer 3
-
$4,526 USD
View
A
Retailer 4
-
$4,649 USD
£3,661 GBP
View
A
Retailer 5
-
$4,830 USD
SGD 6,527 SGD
View
B+
Retailer 6
-
$5,173 USD
View
Retailer 7
-
$5,173 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$5,477 USD
View
B+
Retailer 9
-
$5,723 USD
€5,450 EUR
View
B
Retailer 10
-
$8,251 USD
£6,497 GBP
View
Most Expensive
B
NZ Jewellers
035c6329-5fde-4d76-bf11-76e52da166e0 · Oct 27
$8,653 USD
View
10 more retailers have this diamond
Prices start from $3,763 USDSave up to $4,890 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
$3,763 USD