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Heart|Natural|GIA

1.25ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 14910748

Certificate GIA 14910748

Diamond specifications and retailer prices

From $8,937 NZD
As of November 6, 2026
Save $5,341 NZD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $14,277 NZD at MOH London · As of November 4, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 14910748. Listed at 3 retailers as of November 4, 2026, with prices from $8,937 to $14,277, a $5,341 spread on the same certified stone. MOH London lists it at $14,277. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 14910748
Dimensions7.04 × 7.70 × 3.97 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
Additional clouds are not shown.
Top View
7.04 mm7.70 mm1.25 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 14910748
Side View
Table 60.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 51.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $14,277 NZD|Low: $8,805 NZD|High: $14,488 NZD|Avg: $11,177 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$8,937 NZD
Retailer 2$10,116 NZD
MOH London$14,277 NZD

45 data points across 3 retailers

3 retailers$8,937 NZD to $14,277 NZD

B+
Cheapest Retailer
-
$8,937 NZD
B+
Retailer 2
-
$10,116 NZD
View
Most Expensive
B
MOH London
45E9780F5 · Nov 4
$14,277 NZD
£6,232 GBP
View
2 more retailers have this diamond
Prices start from $8,937 NZDSave up to $5,341 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.

B+
1.25ct Heart
$8,937 NZD