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Round|Natural|GIA

1.21ct I IF Round Natural Diamond

EX • I/IF • GIA 1535608887

Certificate GIA 1535608887

Diamond specifications and retailer prices

From $6,408 SGD
As of November 5, 2026
Save $5,632 SGD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,040 SGD at NZ Jewellers · As of November 5, 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 5, 2026, with prices from $6,408 to $12,040, a $5,632 spread on the same certified stone. NZ Jewellers lists it at $12,040. 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
Colour
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 5
Current: $12,040 SGD|Low: $5,265 SGD|High: $12,040 SGD|Avg: $8,239 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$6,408 SGD
Retailer 8$6,587 SGD
Retailer 6$6,645 SGD
Retailer 7$7,457 SGD
Retailer 4$7,737 SGD
Retailer 3$7,859 SGD
Retailer 5$11,465 SGD
NZ Jewellers$12,040 SGD

44 data points across 8 retailers

8 retailers$6,408 SGD to $12,040 SGD

A
Cheapest Retailer
-
$6,408 SGD
B+
Retailer 2
-
$6,587 SGD
View
B+
Retailer 3
-
$6,645 SGD
View
Final sale: no returns
B+
Retailer 4
-
$7,457 SGD
View
B+
Retailer 5
-
$7,737 SGD
View
B+
Retailer 6
-
$7,859 SGD
View
B
Retailer 7
-
$11,465 SGD
View
Most Expensive
B
NZ Jewellers
ec10c841-1216-4ba8-8e4d-d0dd0c12a3b2 · Nov 5
$12,040 SGD
$9,426 USD
View
7 more retailers have this diamond
Prices start from $6,408 SGDSave up to $5,632 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
1.21ct Round
$6,408 SGD