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Heart|Natural|GIA

1.25ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 7541100620

Certificate GIA 7541100620

Diamond specifications and retailer prices

From $2,950 NZD
As of October 30, 2026
Save $5,228 NZD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,178 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.25ct natural heart diamond

This 1.25ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541100620. Listed at 17 retailers as of October 30, 2026, with prices from $2,950 to $8,178, a $5,228 spread on the same certified stone. NZ Jewellers lists it at $8,178. 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

1.25
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7541100620
Dimensions7.40 × 6.57 × 4.31 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.40 mm6.57 mm1.25 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7541100620
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.3%

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: Oct 30
Current: $8,178 NZD|Low: $2,932 NZD|High: $8,178 NZD|Avg: $4,426 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 13$2,950 NZD
Retailer 9$3,090 NZD
Retailer 7$3,534 NZD
Retailer 14$3,827 NZD
Retailer 3$3,874 NZD
Retailer 6$3,912 NZD
Retailer 10$3,912 NZD
Retailer 5$3,938 NZD
Retailer 18$4,093 NZD
Retailer 15$4,094 NZD
Retailer 17$4,261 NZD
Retailer 12$4,291 NZD
Retailer 19$4,488 NZD
Retailer 4$4,515 NZD
Retailer 11$4,557 NZD
Retailer 8$4,573 NZD
Retailer 2$4,808 NZD
Retailer 16$6,890 NZD
NZ Jewellers$8,178 NZD

20 data points across 19 retailers

17 retailers$2,950 NZD to $8,178 NZD

A
Cheapest Retailer
-
$2,950 NZD
A
Retailer 2
-
$3,534 NZD
View
A
Retailer 3
-
$3,827 NZD
View
A
Retailer 4
-
$3,874 NZD
View
Retailer 5
-
$3,912 NZD
View
Price last confirmed 7 days ago
Retailer 6
-
$3,912 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$3,938 NZD
View
A
Retailer 8
-
$4,093 NZD
View
Retailer 9
-
$4,094 NZD
View
Price last confirmed 8 days ago
Retailer 10
-
$4,261 NZD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$4,291 NZD
View
A
Retailer 12
-
$4,488 NZD
View
Retailer 13
-
$4,515 NZD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$4,573 NZD
View
A
Retailer 15
-
$4,808 NZD
View
Retailer 16
-
$6,890 NZD
View
Price last confirmed 15 days ago
Most Expensive
B
NZ Jewellers
8d642ade-dadc-4442-92bd-18b8905ee129 · Oct 30
$8,178 NZD
$4,610 USD
View
16 more retailers have this diamond
Prices start from $2,950 NZDSave up to $5,228 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
1.25ct Heart
$2,950 NZD