Round|Natural|GIA

1.70ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2537056253

Certificate GIA 2537056253

Diamond specifications and retailer prices

From $9,126 USD
HK$71,300 HKD
As of November 1, 2026
Save $6,488 USD (42%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $16,663 USD at NZ Jewellers · As of September 28, 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 2537056253. Listed at 24 retailers as of November 1, 2026, with a 71% 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2537056253
Dimensions7.61 × 7.56 × 4.75 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.61 mm7.56 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537056253
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 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: Nov 1
Current: $12,566 USD|Low: $9,126 USD|High: $15,803 USD|Avg: $12,060 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 13$9,126 USD
Retailer 6$9,722 USD
Retailer 12$10,146 USD
Retailer 7$10,874 USD
Retailer 5$11,009 USD
Retailer 4$11,035 USD
Retailer 2$11,036 USD
Retailer 10$11,060 USD
Retailer 3$12,240 USD
Retailer 1$12,566 USD
Retailer 9$14,688 USD
Retailer 11$15,424 USD
Retailer 8$15,615 USD

36 data points across 13 retailers

24 retailers$9,126 USD to $15,615 USD

B+
Cheapest Retailer
-
$9,126 USD
HK$71,300 HKD
B+
Retailer 2
-
$9,722 USD
₹925,859 INR
View
B+
Retailer 3
-
$9,786 USD
View
B
Retailer 4
-
$10,146 USD
View
Retailer 5
-
$10,831 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$10,831 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
$10,874 USD
£8,562 GBP
View
Retailer 8
-
$10,998 USD
View
Price last confirmed 34 days ago
Retailer 9
-
$11,009 USD
A$16,936 AUD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$11,035 USD
View
Final sale: no returns
B
Retailer 11
-
$11,036 USD
View
B+
Retailer 12
-
$11,058 USD
View
B+
Retailer 13
-
$11,060 USD
View
Retailer 14
-
$11,780 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$11,780 USD
View
Price last confirmed 11 days ago
Retailer 16
-
$12,170 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$12,240 USD
View
Retailer 18
-
$12,497 USD
View
Price last confirmed 34 days ago
B
Retailer 19
-
$12,566 USD
€11,968 EUR
View
Retailer 20
-
$13,156 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$14,688 USD
ZAR 237,287 ZAR
View
B
Retailer 22
-
$15,424 USD
£12,145 GBP
View
B
Retailer 23
-
$15,615 USD
£12,295 GBP
View
Most Expensive
NZ Jewellers
82a42311-3b1d-4c10-a825-518f0b276246 · Sep 28
$16,663 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from $9,126 USDSave up to $6,488 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
$9,126 USD