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Heart|Natural|GIA

1.73ct H SI1 Heart Natural Diamond

VG • H/SI1 • GIA 1553154890

Certificate GIA 1553154890

Diamond specifications and retailer prices

From $8,375 NZD
$4,712 USD
As of November 1, 2026
Save $7,674 NZD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,039 NZD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.73ct natural heart diamond

This 1.73ct 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1553154890. Listed at 17 retailers as of November 1, 2026, with a 92% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.73
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553154890
Dimensions7.08 × 8.30 × 4.86 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
7.08 mm8.30 mm1.73 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553154890
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.5%

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 1
Current: $10,113 NZD|Low: $8,272 NZD|High: $18,348 NZD|Avg: $11,172 NZD|-4.7%
Retailer 1
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
November 2, 2026
Retailer 14$8,375 NZD
Retailer 9$8,417 NZD
Retailer 13$8,874 NZD
Retailer 2$9,194 NZD
Retailer 11$9,228 NZD
Retailer 4$9,411 NZD
Retailer 5$9,496 NZD
Retailer 1$10,113 NZD
Retailer 8$10,582 NZD
Retailer 12$10,588 NZD
Retailer 7$11,335 NZD
Retailer 10$13,276 NZD
Retailer 3$13,383 NZD
Retailer 15$16,048 NZD
Retailer 6$17,615 NZD

27 data points across 15 retailers

17 retailers$8,375 NZD to $16,048 NZD

A
Cheapest Retailer
-
$8,375 NZD
$4,712 USD
A
Retailer 2
-
$8,417 NZD
HK$37,000 HKD
View
A
Retailer 3
-
$8,874 NZD
$4,993 USD
View
A
Retailer 4
-
$9,194 NZD
€4,927 EUR
View
B+
Retailer 5
-
$9,228 NZD
$5,192 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,411 NZD
$5,295 USD
View
B+
Retailer 7
-
$9,496 NZD
$5,343 USD
View
B+
Retailer 8
-
$10,113 NZD
$5,690 USD
View
B+
Retailer 9
-
$10,582 NZD
$5,954 USD
View
B+
Retailer 10
-
$10,588 NZD
£4,691 GBP
View
Retailer 11
-
$11,335 NZD
A$9,811 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$12,174 NZD
A$10,538 AUD
View
B+
Retailer 13
-
$13,276 NZD
$7,470 USD
View
B+
Retailer 14
-
$13,383 NZD
ZAR 121,645 ZAR
View
B
Retailer 15
-
$16,048 NZD
£7,110 GBP
View
Retailer 16
-
$17,615 NZD
$9,911 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
e9b70d29-f4e5-46f4-9fa0-7b0376c77384 · Sep 25
$20,039 NZD
$11,275 USD
View
Price last confirmed 38 days ago
16 more retailers have this diamond
Prices start from $8,375 NZDSave up to $7,674 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
1.73ct Heart
$8,375 NZD