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Heart|Natural|GIA

1.70ct H SI1 Heart Natural Diamond

VG • H/SI1 • GIA 6445201943

Certificate GIA 6445201943

Diamond specifications and retailer prices

From $5,135 USD
As of November 1, 2026
Save $7,248 USD (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,383 USD at NZ Jewellers · As of October 30, 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6445201943. Listed at 20 retailers as of October 30, 2026, with prices from $5,135 to $12,383, a $7,248 spread on the same certified stone. NZ Jewellers lists it at $12,383. 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

1.70
Carat
H
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.5°
OriginNatural
Grading LabGIA
CertificateGIA 6445201943
Dimensions8.22 × 7.66 × 4.21 mm
L/W Ratio1.07
Top View
8.22 mm7.66 mm1.70 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6445201943
Side View
Table 55.0%Crown 35.9°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 55.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $12,383 USD|Low: $5,135 USD|High: $12,383 USD|Avg: $7,401 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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 7$5,135 USD
Retailer 12$5,850 USD
Retailer 5$6,191 USD
Retailer 17$6,191 USD
Retailer 3$6,225 USD
Retailer 9$6,600 USD
Retailer 19$6,707 USD
Retailer 18$6,811 USD
Retailer 6$6,929 USD
Retailer 13$6,976 USD
Retailer 2$6,981 USD
Retailer 20$7,186 USD
Retailer 4$7,420 USD
Retailer 8$7,420 USD
Retailer 11$7,670 USD
Retailer 16$7,739 USD
Retailer 10$8,158 USD
Retailer 15$9,097 USD
Retailer 14$10,319 USD
NZ Jewellers$12,383 USD

34 data points across 20 retailers

20 retailers$5,135 USD to $12,383 USD

B+
Cheapest Retailer
-
$5,135 USD
B+
Retailer 2
-
$5,850 USD
View
B+
Retailer 3
-
$6,191 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,191 USD
View
B+
Retailer 5
-
$6,225 USD
View
B
Retailer 6
-
$6,600 USD
View
B
Retailer 7
-
$6,707 USD
View
B
Retailer 8
-
$6,811 USD
View
B+
Retailer 9
-
$6,929 USD
View
B+
Retailer 10
-
$6,976 USD
£5,493 GBP
View
B+
Retailer 11
-
$6,981 USD
£5,497 GBP
View
Retailer 12
-
$7,186 USD
A$11,055 AUD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$7,420 USD
View
B
Retailer 14
-
$7,420 USD
View
B
Retailer 15
-
$7,670 USD
View
B
Retailer 16
-
$7,739 USD
View
Retailer 17
-
$8,158 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$9,097 USD
ZAR 146,956 ZAR
View
B
Retailer 19
-
$10,319 USD
£8,125 GBP
View
Most Expensive
B
NZ Jewellers
7e842fc7-925f-4058-8006-f9d6035f02ca · Oct 30
$12,383 USD
View
19 more retailers have this diamond
Prices start from $5,135 USDSave up to $7,248 USD

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
$5,135 USD