Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 1555112868

Certificate GIA 1555112868

Diamond specifications and retailer prices

From $6,307 SGD
As of November 6, 2026
Save $4,547 SGD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,428 SGD at NZ Jewellers · As of September 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555112868. Listed at 12 retailers as of November 4, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555112868
Dimensions8.30 × 6.99 × 5.09 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Natural
Top View
8.30 mm6.99 mm1.70 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555112868
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 61.3%

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 6
Current: $7,687 SGD|Low: $5,781 SGD|High: $11,014 SGD|Avg: $7,646 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$6,307 SGD
Retailer 5$6,523 SGD
Retailer 2$6,562 SGD
Retailer 7$6,887 SGD
Retailer 1$7,687 SGD
Retailer 3$8,337 SGD
Retailer 4$10,854 SGD

45 data points across 7 retailers

12 retailers$6,307 SGD to $10,854 SGD

B+
Cheapest Retailer
-
$6,307 SGD
Final sale: no returns
B+
Retailer 2
-
$6,523 SGD
View
B+
Retailer 3
-
$6,562 SGD
View
Retailer 4
-
$6,833 SGD
View
Price last confirmed 30 days ago
Retailer 5
-
$6,833 SGD
View
Price last confirmed 30 days ago
Retailer 6
-
$6,833 SGD
View
Price last confirmed 37 days ago
Retailer 7
-
$6,887 SGD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$7,687 SGD
View
Retailer 9
-
$7,884 SGD
View
Price last confirmed 39 days ago
B
Retailer 10
-
$8,337 SGD
View
B
Retailer 11
-
$10,854 SGD
View
Most Expensive
NZ Jewellers
0e69b47c-47ab-4532-8b09-b66fb4f696aa · Sep 30
$11,428 SGD
$8,917 USD
View
Price last confirmed 37 days ago
11 more retailers have this diamond
Prices start from $6,307 SGDSave up to $4,547 SGD

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
$6,307 SGD