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Heart|Natural|GIA

1.54ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6101974580

Certificate GIA 6101974580

Diamond specifications and retailer prices

From $21,109 NZD
£9,352 GBP
As of November 1, 2026
Save $9,383 NZD (31%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $30,492 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded F 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 6101974580. Listed at 5 retailers as of November 1, 2026, with prices from $21,109 to $30,492, a $9,383 spread on the same certified stone. MOH London lists it at $30,492. 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

1.54
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6101974580
Dimensions7.80 × 8.01 × 4.08 mm
L/W Ratio1.03
Top View
7.80 mm8.01 mm1.54 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6101974580
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 50.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $30,492 NZD|Low: $17,958 NZD|High: $30,860 NZD|Avg: $23,581 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$17,958 NZD
Retailer 3$21,109 NZD
Retailer 4$21,224 NZD
Retailer 2$24,594 NZD
Retailer 5$25,684 NZD
MOH London$30,492 NZD

43 data points across 6 retailers

5 retailers$21,109 NZD to $30,492 NZD

B
Cheapest Retailer
-
$21,109 NZD
£9,352 GBP
Retailer 2
-
$21,224 NZD
A$18,372 AUD
View
Price last confirmed 10 days ago
B
Retailer 3
-
$24,594 NZD
€13,179 EUR
View
Retailer 4
-
$25,684 NZD
$14,451 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
F60ED5037 · Nov 2
$30,492 NZD
£13,509 GBP
View
4 more retailers have this diamond
Prices start from $21,109 NZDSave up to $9,383 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
1.54ct Heart
$21,109 NZD