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Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

VG • J/SI1 • GIA 6431422487

Certificate GIA 6431422487

Diamond specifications and retailer prices

From $4,114 USD
SGD 5,559 SGD
As of October 31, 2026
Save $4,444 USD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,558 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 J 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 6431422487. Listed at 18 retailers as of October 30, 2026, with prices from $4,114 to $8,558, a $4,444 spread on the same certified stone. NZ Jewellers lists it at $8,558. 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
J
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle40.7°
Pavilion angle41.9°
OriginNatural
Grading LabGIA
CertificateGIA 6431422487
Dimensions8.06 × 7.23 × 4.33 mm
L/W Ratio1.11
Top View
8.06 mm7.23 mm1.70 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431422487
Side View
Table 56.0%Crown 40.7°Girdle: STK-ETKPavilion 41.9°Culet: NoneDepth 59.9%

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: Oct 31
Current: $8,558 USD|Low: $4,114 USD|High: $8,558 USD|Avg: $5,207 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
November 2, 2026
Retailer 4$4,114 USD
Retailer 18$4,133 USD
Retailer 10$4,284 USD
Retailer 5$4,534 USD
Retailer 3$4,625 USD
Retailer 2$4,726 USD
Retailer 11$4,885 USD
Retailer 15$4,912 USD
Retailer 16$4,912 USD
Retailer 17$4,912 USD
Retailer 6$4,952 USD
Retailer 7$5,018 USD
Retailer 9$5,064 USD
Retailer 8$5,190 USD
Retailer 14$5,668 USD
Retailer 13$6,038 USD
Retailer 12$7,824 USD
NZ Jewellers$8,558 USD

32 data points across 18 retailers

18 retailers$4,114 USD to $8,558 USD

B+
Cheapest Retailer
-
$4,114 USD
SGD 5,559 SGD
B+
Retailer 2
-
$4,133 USD
View
B+
Retailer 3
-
$4,284 USD
View
B+
Retailer 4
-
$4,534 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,625 USD
View
B+
Retailer 6
-
$4,726 USD
£3,721 GBP
View
B+
Retailer 7
-
$4,885 USD
£3,846 GBP
View
B
Retailer 8
-
$4,912 USD
View
B
Retailer 9
-
$4,912 USD
View
Retailer 10
-
$4,912 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$4,952 USD
A$7,619 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$5,018 USD
View
B
Retailer 13
-
$5,064 USD
View
B
Retailer 14
-
$5,190 USD
View
B
Retailer 15
-
$5,668 USD
View
B
Retailer 16
-
$6,038 USD
ZAR 97,549 ZAR
View
B
Retailer 17
-
$7,824 USD
£6,161 GBP
View
Most Expensive
C
NZ Jewellers
9be0e4a2-93b6-416f-97c9-bfaaaf15adb7 · Oct 30
$8,558 USD
View
17 more retailers have this diamond
Prices start from $4,114 USDSave up to $4,444 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
$4,114 USD