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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1509523552

Certificate GIA 1509523552

Diamond specifications and retailer prices

From $5,503 NZD
£2,442 GBP
As of October 30, 2026
Save $5,328 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,830 NZD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509523552. Listed at 12 retailers as of October 30, 2026, with prices from $5,503 to $10,830, a $5,328 spread on the same certified stone. NZ Jewellers lists it at $10,830. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1509523552
Dimensions6.75 × 6.80 × 4.23 mm
L/W Ratio1.01
Top View
6.75 mm6.80 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1509523552
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.0%

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 30
Current: $6,457 NZD|Low: $5,484 NZD|High: $10,521 NZD|Avg: $7,065 NZD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$5,503 NZD
Retailer 5$5,518 NZD
Retailer 6$6,455 NZD
Retailer 1$6,457 NZD
Retailer 3$7,279 NZD
Retailer 4$10,451 NZD

44 data points across 6 retailers

12 retailers$5,503 NZD to $10,830 NZD

A
Cheapest Retailer
-
$5,503 NZD
£2,442 GBP
A
Retailer 2
-
$5,518 NZD
$3,110 USD
View
Retailer 3
-
$5,633 NZD
$3,175 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$6,215 NZD
$3,503 USD
View
A
Retailer 5
-
$6,215 NZD
$3,503 USD
View
B+
Retailer 6
-
$6,453 NZD
SGD 4,915 SGD
View
B+
Retailer 7
-
$6,455 NZD
$3,638 USD
View
A
Retailer 8
-
$6,457 NZD
£2,865 GBP
View
B+
Retailer 9
-
$7,172 NZD
$4,042 USD
View
B+
Retailer 10
-
$7,279 NZD
€3,907 EUR
View
B
Retailer 11
-
$10,451 NZD
£4,638 GBP
View
Most Expensive
B
NZ Jewellers
f9f848ad-713c-47f4-a762-4686ae3f456c · Oct 30
$10,830 NZD
$6,104 USD
View
11 more retailers have this diamond
Prices start from $5,503 NZDSave up to $5,328 NZD

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
$5,503 NZD