Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2486987805

Certificate GIA 2486987805

Diamond specifications and retailer prices

From $4,749 USD
HK$37,100 HKD
As of October 30, 2026
Save $6,046 USD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,795 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2486987805. Listed at 15 retailers as of October 30, 2026, with prices from $4,749 to $10,795, a $6,046 spread on the same certified stone. NZ Jewellers lists it at $10,795. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2486987805
Dimensions7.64 × 7.60 × 4.79 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.64 mm7.60 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2486987805
Side View
Table 56.0%Crown 34°GirdlePavilion 41.6°Culet: NoneDepth 62.8%

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 30
Current: $10,795 USD|Low: $4,749 USD|High: $10,795 USD|Avg: $6,780 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
October 30, 2026
Retailer 5$4,749 USD
Retailer 7$5,247 USD
Retailer 4$5,629 USD
Retailer 15$5,957 USD
Retailer 9$6,150 USD
Retailer 6$6,410 USD
Retailer 11$6,454 USD
Retailer 12$6,454 USD
Retailer 13$6,454 USD
Retailer 3$6,612 USD
Retailer 2$7,054 USD
Retailer 14$7,447 USD
Retailer 8$8,377 USD
Retailer 10$9,559 USD
NZ Jewellers$10,795 USD

29 data points across 15 retailers

15 retailers$4,749 USD to $10,795 USD

B+
Cheapest Retailer
-
$4,749 USD
HK$37,100 HKD
Retailer 2
-
$5,466 USD
SGD 7,386 SGD
View
Price last confirmed 16 days ago
B
Retailer 3
-
$5,629 USD
View
B
Retailer 4
-
$5,957 USD
View
Final sale: no returns
B
Retailer 5
-
$6,150 USD
£4,842 GBP
View
B
Retailer 6
-
$6,410 USD
View
B
Retailer 7
-
$6,454 USD
View
B
Retailer 8
-
$6,454 USD
View
B
Retailer 9
-
$6,454 USD
View
B
Retailer 10
-
$6,612 USD
View
B
Retailer 11
-
$7,054 USD
€6,718 EUR
View
B
Retailer 12
-
$7,447 USD
View
B
Retailer 13
-
$8,377 USD
£6,596 GBP
View
B
Retailer 14
-
$9,559 USD
£7,527 GBP
View
Most Expensive
B
NZ Jewellers
f6369b8a-33a9-40e1-bee2-eecd729aa35f · Oct 30
$10,795 USD
View
14 more retailers have this diamond
Prices start from $4,749 USDSave up to $6,046 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 Round
$4,749 USD