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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7558620257

Certificate GIA 7558620257

Diamond specifications and retailer prices

From $4,390 AUD
SGD 4,167 SGD
As of October 31, 2026
Save $4,808 AUD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,197 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 7558620257. Listed at 10 retailers as of October 26, 2026, with prices from $4,390 to $9,197, a $4,808 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,197. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558620257
Dimensions7.60 × 7.65 × 4.70 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.60 mm7.65 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558620257
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: $6,419 AUD|Low: $4,390 AUD|High: $10,313 AUD|Avg: $6,523 AUD|-9.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 1, 2026
Retailer 5$4,390 AUD
Retailer 4$4,984 AUD
Retailer 2$5,326 AUD
Retailer 8$5,439 AUD
Retailer 6$6,329 AUD
Retailer 7$6,391 AUD
Retailer 1$6,419 AUD
Retailer 3$6,717 AUD
Wholesale Diamonds Direct$9,197 AUD

31 data points across 9 retailers

10 retailers$4,390 AUD to $9,197 AUD

A
Cheapest Retailer
-
$4,390 AUD
SGD 4,167 SGD
A
Retailer 2
-
$4,984 AUD
$3,501 USD
View
A
Retailer 3
-
$5,326 AUD
$3,741 USD
View
A
Retailer 4
-
$5,439 AUD
SGD 5,163 SGD
View
A
Retailer 5
-
$6,329 AUD
$4,446 USD
View
A
Retailer 6
-
$6,391 AUD
$4,489 USD
View
A
Retailer 7
-
$6,419 AUD
€4,294 EUR
View
A
Retailer 8
-
$6,717 AUD
£3,715 GBP
View
A
Retailer 9
-
$7,183 AUD
$5,046 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
546224562 · Oct 26
$9,197 AUD
$6,461 USD
View
9 more retailers have this diamond
Prices start from $4,390 AUDSave up to $4,808 AUD

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
$4,390 AUD