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Oval|Natural|GIA

1.70ct G SI2 Oval Natural Diamond

ID • G/SI2 • GIA 1559546085

Certificate GIA 1559546085

Diamond specifications and retailer prices

From $8,513 AUD
$5,980 USD
As of October 28, 2026
Save $10,727 AUD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $19,240 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559546085. Listed at 26 retailers as of October 27, 2026, with prices from $8,513 to $19,240, a $10,727 spread on the same certified stone. NZ Jewellers lists it at $19,240. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1559546085
Dimensions9.22 × 6.54 × 4.18 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cavity, Knot, Cloud, Needle, Natural
Top View
9.22 mm6.54 mm1.70 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1559546085
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NDepth 63.8%

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 28
Current: $19,240 AUD|Low: $7,589 AUD|High: $19,240 AUD|Avg: $10,944 AUD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 29, 2026
Retailer 5$8,513 AUD
Retailer 4$8,702 AUD
Retailer 14$9,088 AUD
Retailer 3$9,107 AUD
Retailer 8$9,619 AUD
Retailer 22$9,621 AUD
Retailer 7$9,822 AUD
Retailer 20$10,422 AUD
Retailer 21$10,582 AUD
Retailer 12$10,593 AUD
Retailer 9$10,609 AUD
Retailer 2$10,626 AUD
Retailer 11$10,765 AUD
Retailer 18$10,802 AUD
Retailer 13$11,210 AUD
Retailer 15$11,332 AUD
Retailer 10$11,394 AUD
Retailer 6$11,604 AUD
Retailer 17$11,882 AUD
Retailer 19$12,025 AUD
Retailer 16$16,118 AUD
NZ Jewellers$19,240 AUD

25 data points across 22 retailers

26 retailers$8,513 AUD to $19,240 AUD

A
Cheapest Retailer
-
$8,513 AUD
$5,980 USD
A
Retailer 2
-
$8,702 AUD
$6,113 USD
View
A
Retailer 3
-
$8,916 AUD
$6,263 USD
View
A
Retailer 4
-
$9,088 AUD
$6,384 USD
View
A
Retailer 5
-
$9,107 AUD
$6,397 USD
View
A
Retailer 6
-
$9,221 AUD
$6,477 USD
View
A
Retailer 7
-
$9,619 AUD
$6,757 USD
View
Final sale: no returns
A
Retailer 8
-
$9,621 AUD
$6,758 USD
View
B+
Retailer 9
-
$9,822 AUD
CA$9,583 CAD
View
B+
Retailer 10
-
$10,422 AUD
$7,321 USD
View
B+
Retailer 11
-
$10,582 AUD
$7,433 USD
View
B+
Retailer 12
-
$10,593 AUD
$7,441 USD
View
B+
Retailer 13
-
$10,609 AUD
$7,452 USD
View
B+
Retailer 14
-
$10,626 AUD
$7,464 USD
View
B+
Retailer 15
-
$10,765 AUD
$7,562 USD
View
B+
Retailer 16
-
$10,802 AUD
£5,975 GBP
View
B+
Retailer 17
-
$11,210 AUD
£6,200 GBP
View
B+
Retailer 18
-
$11,332 AUD
$7,960 USD
View
B+
Retailer 19
-
$11,332 AUD
$7,960 USD
View
B+
Retailer 20
-
$11,394 AUD
$8,004 USD
View
B+
Retailer 21
-
$11,604 AUD
$8,151 USD
View
B+
Retailer 22
-
$11,702 AUD
$8,220 USD
View
B+
Retailer 23
-
$11,882 AUD
€7,949 EUR
View
B+
Retailer 24
-
$12,025 AUD
$8,447 USD
View
B
Retailer 25
-
$16,118 AUD
£8,915 GBP
View
Most Expensive
B
NZ Jewellers
4ea215db-8027-445c-8fed-d31f95b603c7 · Oct 27
$19,240 AUD
$13,515 USD
View
25 more retailers have this diamond
Prices start from $8,513 AUDSave up to $10,727 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 Oval
$8,513 AUD