CaratHunter
Plans
Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6561498732

Certificate GIA 6561498732

Diamond specifications and retailer prices

From $6,575 NZD
HK$28,900 HKD
As of November 2, 2026
Save $7,869 NZD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $14,444 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded H 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 6561498732. Listed at 15 retailers as of November 2, 2026, with prices from $6,575 to $14,444, a $7,869 spread on the same certified stone. MOH London lists it at $14,444. 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

1.51
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561498732
Dimensions6.86 × 7.75 × 4.64 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
6.86 mm7.75 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561498732
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.9%

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 2
Current: $14,444 NZD|Low: $6,484 NZD|High: $15,234 NZD|Avg: $9,215 NZD|-5.2%
MOH London
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
November 2, 2026
Retailer 7$6,575 NZD
Retailer 13$7,516 NZD
Retailer 2$7,589 NZD
Retailer 3$7,854 NZD
Retailer 11$7,902 NZD
Retailer 6$8,309 NZD
Retailer 9$8,371 NZD
Retailer 10$8,394 NZD
Retailer 5$8,469 NZD
Retailer 8$8,545 NZD
Retailer 12$9,526 NZD
Retailer 14$11,070 NZD
Retailer 4$13,819 NZD
MOH London$14,444 NZD

21 data points across 14 retailers

15 retailers$6,575 NZD to $14,444 NZD

A
Cheapest Retailer
-
$6,575 NZD
HK$28,900 HKD
A
Retailer 2
-
$7,516 NZD
$4,229 USD
View
A
Retailer 3
-
$7,589 NZD
€4,067 EUR
View
A
Retailer 4
-
$7,854 NZD
$4,419 USD
View
A
Retailer 5
-
$7,902 NZD
$4,446 USD
View
A
Retailer 6
-
$8,309 NZD
SGD 6,318 SGD
View
B+
Retailer 7
-
$8,371 NZD
$4,710 USD
View
Final sale: no returns
B+
Retailer 8
-
$8,394 NZD
£3,719 GBP
View
B+
Retailer 9
-
$8,469 NZD
$4,765 USD
View
B+
Retailer 10
-
$8,545 NZD
£3,786 GBP
View
B+
Retailer 11
-
$9,526 NZD
$5,360 USD
View
Retailer 12
-
$10,038 NZD
A$8,689 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$11,070 NZD
ZAR 100,623 ZAR
View
B
Retailer 14
-
$13,819 NZD
$7,775 USD
View
Most Expensive
B
MOH London
53F8CD7FB · Nov 2
$14,444 NZD
£6,399 GBP
View
14 more retailers have this diamond
Prices start from $6,575 NZDSave up to $7,869 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
1.51ct Heart
$6,575 NZD