Heart|Natural|GIA

1.70ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2537392667

Certificate GIA 2537392667

Diamond specifications and retailer prices

From $15,095 NZD
$8,493 USD
As of November 2, 2026
26 retailers carry this diamond
Most expensive: $22,339 NZD at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct 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 2537392667. Listed at 26 retailers as of November 2, 2026. 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

1.70
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2537392667
Dimensions6.92 × 8.07 × 5.11 mm
L/W Ratio1.17
Top View
6.92 mm8.07 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2537392667
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $20,446 NZD|Low: $9,658 NZD|High: $20,446 NZD|Avg: $12,708 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
October 25, 2026
Retailer 16$9,658 NZD
Retailer 3$10,539 NZD
Retailer 6$11,074 NZD
Retailer 10$11,170 NZD
Retailer 2$11,215 NZD
Retailer 13$11,263 NZD
Retailer 15$11,515 NZD
Retailer 4$11,903 NZD
Retailer 9$12,266 NZD
Retailer 5$12,334 NZD
Retailer 8$12,334 NZD
Retailer 12$12,571 NZD
Retailer 7$12,743 NZD
Retailer 14$13,475 NZD
Retailer 17$14,754 NZD
Retailer 11$18,640 NZD
NZ Jewellers$20,446 NZD

34 data points across 17 retailers

26 retailers

Retailer 1
-
$9,658 NZD
$5,434 USD
Price last confirmed 11 days ago
Retailer 2
-
$11,074 NZD
$6,231 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$11,074 NZD
$6,231 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$11,074 NZD
$6,231 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$11,170 NZD
$6,285 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$11,263 NZD
$6,337 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$11,332 NZD
$6,376 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$11,903 NZD
$6,697 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$12,100 NZD
$6,808 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$12,266 NZD
A$10,618 AUD
View
Price last confirmed 30 days ago
Retailer 11
-
$12,286 NZD
$6,913 USD
View
Price last confirmed 11 days ago
Retailer 12
-
$12,334 NZD
$6,940 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$12,571 NZD
£5,569 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
$12,743 NZD
$7,170 USD
View
Price last confirmed 13 days ago
Retailer 15
-
$12,779 NZD
$7,190 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$13,074 NZD
$7,356 USD
View
Price last confirmed 39 days ago
Retailer 17
-
$13,475 NZD
$7,582 USD
View
Price last confirmed 11 days ago
Retailer 18
-
$13,962 NZD
$7,856 USD
View
Price last confirmed 15 days ago
Retailer 19
-
$14,754 NZD
ZAR 134,109 ZAR
View
Price last confirmed 11 days ago
B
Retailer 20
-
$15,095 NZD
$8,493 USD
View
Retailer 21
-
$18,640 NZD
£8,258 GBP
View
Price last confirmed 9 days ago
Retailer 22
-
$20,446 NZD
$11,504 USD
View
Price last confirmed 24 days ago
Retailer 23
-
$20,446 NZD
$11,504 USD
View
Price last confirmed 13 days ago
Retailer 24
-
$20,919 NZD
$11,770 USD
View
Price last confirmed 38 days ago
Retailer 25
-
$22,339 NZD
$12,569 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
9553575d-bb4e-4d9d-b7b5-dd6a0b70c401 · Oct 18
$22,339 NZD
$12,569 USD
View
Price last confirmed 16 days ago
25 more retailers have this diamond
Prices start from $15,095 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
1.70ct Heart
$15,095 NZD