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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2558513002

Certificate GIA 2558513002

Diamond specifications and retailer prices

From $6,271 USD
As of October 30, 2026
Save $8,036 USD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,307 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558513002. Listed at 16 retailers as of October 30, 2026, with prices from $6,271 to $14,307, a $8,036 spread on the same certified stone. NZ Jewellers lists it at $14,307. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558513002
Dimensions7.55 × 7.59 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
7.55 mm7.59 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558513002
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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: Oct 30
Current: $14,307 USD|Low: $6,024 USD|High: $14,920 USD|Avg: $8,565 USD|-4.1%
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
October 31, 2026
Retailer 5$6,271 USD
Retailer 2$6,310 USD
Retailer 4$6,698 USD
Retailer 13$7,153 USD
Retailer 7$7,154 USD
Retailer 8$7,750 USD
Retailer 15$7,869 USD
Retailer 9$7,914 USD
Retailer 12$8,540 USD
Retailer 16$8,540 USD
Retailer 10$8,587 USD
Retailer 14$8,820 USD
Retailer 3$8,942 USD
Retailer 6$9,422 USD
Retailer 11$11,938 USD
NZ Jewellers$14,307 USD

41 data points across 16 retailers

16 retailers$6,271 USD to $14,307 USD

A
Cheapest Retailer
-
$6,271 USD
A
Retailer 2
-
$6,310 USD
HK$49,300 HKD
View
B+
Retailer 3
-
$6,698 USD
View
B+
Retailer 4
-
$7,153 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,154 USD
View
B+
Retailer 6
-
$7,750 USD
View
B+
Retailer 7
-
$7,869 USD
View
B+
Retailer 8
-
$7,914 USD
£6,232 GBP
View
B
Retailer 9
-
$8,540 USD
View
B
Retailer 10
-
$8,540 USD
View
B+
Retailer 11
-
$8,587 USD
€8,178 EUR
View
B+
Retailer 12
-
$8,820 USD
View
B+
Retailer 13
-
$8,942 USD
View
Retailer 14
-
$9,422 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$11,938 USD
£9,400 GBP
View
Most Expensive
B
NZ Jewellers
631e12f0-c64d-4532-8689-4230b95d6466 · Oct 30
$14,307 USD
View
15 more retailers have this diamond
Prices start from $6,271 USDSave up to $8,036 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
$6,271 USD