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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 $8,017 SGD
$6,271 USD
As of October 31, 2026
Save $10,273 SGD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $18,290 SGD 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 $8,017 to $18,290, a $10,273 spread on the same certified stone. NZ Jewellers lists it at $18,290. 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
Colour
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 31
Current: $18,290 SGD|Low: $7,701 SGD|High: $19,074 SGD|Avg: $10,923 SGD|-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
November 1, 2026
Retailer 5$8,017 SGD
Retailer 10$8,067 SGD
Retailer 4$8,563 SGD
Retailer 13$9,144 SGD
Retailer 7$9,146 SGD
Retailer 8$9,908 SGD
Retailer 15$10,060 SGD
Retailer 9$10,117 SGD
Retailer 12$10,918 SGD
Retailer 16$10,918 SGD
Retailer 11$10,977 SGD
Retailer 14$11,275 SGD
Retailer 3$11,431 SGD
Retailer 6$12,045 SGD
Retailer 2$15,240 SGD
NZ Jewellers$18,290 SGD

41 data points across 16 retailers

16 retailers$8,017 SGD to $18,290 SGD

A
Cheapest Retailer
-
$8,017 SGD
$6,271 USD
A
Retailer 2
-
$8,067 SGD
HK$49,300 HKD
View
B+
Retailer 3
-
$8,563 SGD
$6,698 USD
View
B+
Retailer 4
-
$9,144 SGD
$7,153 USD
View
Final sale: no returns
B+
Retailer 5
-
$9,146 SGD
$7,154 USD
View
B+
Retailer 6
-
$9,908 SGD
$7,750 USD
View
B+
Retailer 7
-
$10,060 SGD
$7,869 USD
View
B+
Retailer 8
-
$10,117 SGD
£6,232 GBP
View
B
Retailer 9
-
$10,918 SGD
$8,540 USD
View
B
Retailer 10
-
$10,918 SGD
$8,540 USD
View
B+
Retailer 11
-
$10,977 SGD
€8,178 EUR
View
B+
Retailer 12
-
$11,275 SGD
$8,820 USD
View
B+
Retailer 13
-
$11,431 SGD
$8,942 USD
View
Retailer 14
-
$12,045 SGD
$9,422 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$15,240 SGD
£9,387 GBP
View
Most Expensive
B
NZ Jewellers
631e12f0-c64d-4532-8689-4230b95d6466 · Oct 30
$18,290 SGD
$14,307 USD
View
15 more retailers have this diamond
Prices start from $8,017 SGDSave up to $10,273 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.

A
1.70ct Round
$8,017 SGD