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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1539635227

Certificate GIA 1539635227

Diamond specifications and retailer prices

From €1,780 EUR
SGD 2,687 SGD
As of October 31, 2026
Save €2,309 EUR (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,089 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1539635227. Listed at 7 retailers as of October 30, 2026, with prices from €1,780 to €4,089, a €2,309 spread on the same certified stone. NZ Jewellers lists it at €4,089. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1539635227
Dimensions7.39 × 6.43 × 3.73 mm
L/W Ratio1.15
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.39 mm6.43 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1539635227
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

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 31
Current: €4,089 EUR|Low: €1,652 EUR|High: €4,593 EUR|Avg: €2,457 EUR|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6€1,780 EUR
Retailer 4€1,915 EUR
Retailer 9€2,027 EUR
Retailer 8€2,046 EUR
Retailer 2€2,052 EUR
Retailer 3€2,120 EUR
Retailer 7€2,130 EUR
Retailer 10€2,223 EUR
Retailer 12€2,228 EUR
Retailer 11€2,572 EUR
Retailer 5€3,426 EUR
NZ Jewellers€4,089 EUR

30 data points across 12 retailers

7 retailers€1,780 EUR to €4,089 EUR

A
Cheapest Retailer
-
€1,780 EUR
SGD 2,687 SGD
B+
Retailer 2
-
€2,027 EUR
$2,265 USD
View
Final sale: no returns
B+
Retailer 3
-
€2,046 EUR
$2,286 USD
View
B+
Retailer 4
-
€2,052 EUR
$2,293 USD
View
B+
Retailer 5
-
€2,130 EUR
$2,380 USD
View
B
Retailer 6
-
€3,426 EUR
£3,014 GBP
View
Most Expensive
B
NZ Jewellers
b68ae1d6-3e41-4c83-a5b7-b706b500f6f1 · Oct 30
€4,089 EUR
$4,568 USD
View
6 more retailers have this diamond
Prices start from €1,780 EURSave up to €2,309 EUR

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 Heart
€1,780 EUR