Round|Natural|GIA

1.70ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5242078578

Certificate GIA 5242078578

Diamond specifications and retailer prices

From $6,733 USD
HK$52,600 HKD
As of November 1, 2026
Save $8,352 USD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,085 USD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242078578. Listed at 23 retailers as of November 1, 2026, with prices from $6,733 to $15,085, a $8,352 spread on the same certified stone. NZ Jewellers lists it at $15,085. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242078578
Dimensions7.52 × 7.60 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Etch Channel, Indented Natural, Needle, Natural
Top View
7.52 mm7.60 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242078578
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $15,085 USD|Low: $6,733 USD|High: $15,398 USD|Avg: $9,744 USD|-2.0%
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 3, 2026
Retailer 8$6,733 USD
Retailer 14$7,193 USD
Retailer 18$7,740 USD
Retailer 3$7,769 USD
Retailer 7$8,326 USD
Retailer 2$8,353 USD
Retailer 20$8,370 USD
Retailer 11$8,498 USD
Retailer 10$8,732 USD
Retailer 12$8,759 USD
Retailer 4$9,019 USD
Retailer 13$9,158 USD
Retailer 17$9,217 USD
Retailer 16$9,812 USD
Retailer 15$9,875 USD
Retailer 6$10,407 USD
Retailer 5$11,081 USD
Retailer 19$12,570 USD
Retailer 9$13,164 USD
NZ Jewellers$15,085 USD

24 data points across 20 retailers

23 retailers$6,733 USD to $15,085 USD

A
Cheapest Retailer
-
$6,733 USD
HK$52,600 HKD
A
Retailer 2
-
$7,193 USD
₹685,020 INR
View
Retailer 3
-
$7,442 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$7,611 USD
SGD 10,285 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$7,740 USD
View
B+
Retailer 6
-
$7,769 USD
View
B+
Retailer 7
-
$8,326 USD
View
Final sale: no returns
B+
Retailer 8
-
$8,353 USD
£6,577 GBP
View
B+
Retailer 9
-
$8,369 USD
View
B+
Retailer 10
-
$8,370 USD
View
Retailer 11
-
$8,498 USD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
$8,732 USD
SGD 11,800 SGD
View
Retailer 13
-
$8,759 USD
A$13,475 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$9,019 USD
View
B+
Retailer 15
-
$9,158 USD
View
B+
Retailer 16
-
$9,217 USD
View
B+
Retailer 17
-
$9,812 USD
€9,345 EUR
View
B+
Retailer 18
-
$9,875 USD
£7,775 GBP
View
B+
Retailer 19
-
$10,407 USD
View
B+
Retailer 20
-
$11,081 USD
ZAR 179,008 ZAR
View
B
Retailer 21
-
$12,570 USD
£9,898 GBP
View
B
Retailer 22
-
$13,164 USD
£10,365 GBP
View
Most Expensive
B
NZ Jewellers
cd4521ce-b34f-4ce7-ad0e-7a1ae77c7161 · Nov 2
$15,085 USD
View
22 more retailers have this diamond
Prices start from $6,733 USDSave up to $8,352 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.

A
1.70ct Round
$6,733 USD