Heart|Natural|GIA

1.70ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2537392667

Certificate GIA 2537392667

Diamond specifications and retailer prices

From $5,434 USD
As of October 23, 2026
29 retailers carry this diamond
Most expensive: $12,569 USD 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 29 retailers as of October 18, 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
Color
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

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $11,504 USD|Low: $5,434 USD|High: $11,504 USD|Avg: $7,141 USD
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$5,434 USD
Retailer 3$5,930 USD
Retailer 6$6,231 USD
Retailer 10$6,285 USD
Retailer 2$6,310 USD
Retailer 13$6,337 USD
Retailer 15$6,479 USD
Retailer 4$6,697 USD
Retailer 9$6,902 USD
Retailer 5$6,940 USD
Retailer 8$6,940 USD
Retailer 12$7,073 USD
Retailer 7$7,170 USD
Retailer 14$7,582 USD
Retailer 17$8,301 USD
Retailer 11$10,488 USD
NZ Jewellers$11,504 USD

35 data points across 17 retailers

29 retailers$5,434 USD to $12,569 USD

Retailer 1
-
$5,434 USD
Price last confirmed 10 days ago
Retailer 2
-
$5,930 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$6,231 USD
View
Price last confirmed 22 days ago
Retailer 4
-
$6,231 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$6,231 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$6,285 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$6,337 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$6,376 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$6,376 USD
View
Price last confirmed 40 days ago
Retailer 10
-
$6,479 USD
£5,101 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
$6,697 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$6,808 USD
View
Price last confirmed 14 days ago
Retailer 13
-
$6,902 USD
A$10,618 AUD
View
Price last confirmed 28 days ago
Retailer 14
-
$6,913 USD
View
Price last confirmed 10 days ago
Retailer 15
-
$6,940 USD
View
Price last confirmed 10 days ago
Retailer 16
-
$6,940 USD
View
Price last confirmed 10 days ago
Retailer 17
-
$7,073 USD
£5,569 GBP
View
Price last confirmed 8 days ago
Retailer 18
-
$7,170 USD
View
Price last confirmed 11 days ago
Retailer 19
-
$7,190 USD
View
Price last confirmed 11 days ago
Retailer 20
-
$7,356 USD
View
Price last confirmed 38 days ago
Retailer 21
-
$7,582 USD
View
Price last confirmed 9 days ago
Retailer 22
-
$7,856 USD
View
Price last confirmed 14 days ago
Retailer 23
-
$8,301 USD
ZAR 134,109 ZAR
View
Price last confirmed 10 days ago
Retailer 24
-
$10,488 USD
£8,258 GBP
View
Price last confirmed 7 days ago
Retailer 25
-
$11,504 USD
View
Price last confirmed 23 days ago
Retailer 26
-
$11,504 USD
View
Price last confirmed 11 days ago
Retailer 27
-
$11,770 USD
View
Price last confirmed 37 days ago
Retailer 28
-
$12,569 USD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
9553575d-bb4e-4d9d-b7b5-dd6a0b70c401 · Oct 18
$12,569 USD
View
Price last confirmed 15 days ago
28 more retailers have this diamond

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.

1.70ct Heart
$5,434 USD