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Heart|Natural|GIA

1.33ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6512405390

Certificate GIA 6512405390

Diamond specifications and retailer prices

From $3,006 USD
As of November 4, 2026
Save $3,810 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,816 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural heart diamond

This 1.33ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I 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 6512405390. Listed at 18 retailers as of November 4, 2026, with prices from $3,006 to $6,816, a $3,810 spread on the same certified stone. NZ Jewellers lists it at $6,816. 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

1.33
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle43.68°
Pavilion angle39.45°
OriginNatural
Grading LabGIA
CertificateGIA 6512405390
Dimensions6.68 × 7.51 × 4.47 mm
L/W Ratio1.12
Top View
6.68 mm7.51 mm1.33 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6512405390
Side View
Table 60.0%Crown 43.68°Girdle: MED-THKPavilion 39.45°Culet: NoneDepth 59.5%

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 4
Current: $6,816 USD|Low: $2,569 USD|High: $6,816 USD|Avg: $4,228 USD
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 6, 2026
Retailer 10$3,027 USD
Retailer 6$3,084 USD
Retailer 7$3,271 USD
Retailer 9$3,544 USD
Retailer 11$3,544 USD
Retailer 8$3,681 USD
Retailer 4$3,749 USD
Retailer 2$3,962 USD
Retailer 12$4,090 USD
Retailer 3$5,653 USD
Retailer 5$6,543 USD
NZ Jewellers$6,816 USD

44 data points across 12 retailers

18 retailers$3,006 USD to $6,816 USD

A
Cheapest Retailer
-
$3,006 USD
A
Retailer 2
-
$3,027 USD
View
B+
Retailer 3
-
$3,083 USD
View
B+
Retailer 4
-
$3,084 USD
View
B+
Retailer 5
-
$3,146 USD
View
B+
Retailer 6
-
$3,271 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,544 USD
View
Retailer 8
-
$3,544 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,550 USD
View
B+
Retailer 10
-
$3,681 USD
View
Retailer 11
-
$3,749 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$3,854 USD
View
B+
Retailer 13
-
$3,962 USD
View
Retailer 14
-
$4,090 USD
View
Price last confirmed 61 days ago
B
Retailer 15
-
$4,090 USD
View
B
Retailer 16
-
$5,653 USD
View
B
Retailer 17
-
$6,543 USD
View
Most Expensive
B
NZ Jewellers
f5f8786c-eb15-4f22-ba81-4ec7ed7f19c8 · Nov 5
$6,816 USD
View
17 more retailers have this diamond
Prices start from $3,006 USDSave up to $3,810 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
1.33ct Heart
$3,006 USD