Oval|Natural|GIA

1.70ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6542381429

Certificate GIA 6542381429

Diamond specifications and retailer prices

From $11,771 AUD
HK$64,600 HKD
As of November 1, 2026
Save $9,937 AUD (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $21,708 AUD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542381429. Listed at 25 retailers as of October 30, 2026, with prices from $11,771 to $21,708, a $9,937 spread on the same certified stone. NZ Jewellers lists it at $21,708. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542381429
Dimensions9.21 × 6.72 × 4.22 mm
L/W Ratio1.37
Top View
9.21 mm6.72 mm1.70 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542381429
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,708 AUD|Low: $11,771 AUD|High: $22,385 AUD|Avg: $15,698 AUD|-3.0%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 7$11,771 AUD
Retailer 16$12,554 AUD
Retailer 5$12,626 AUD
Retailer 14$13,251 AUD
Retailer 11$13,460 AUD
Retailer 9$13,738 AUD
Retailer 20$14,215 AUD
Retailer 13$14,250 AUD
Retailer 3$14,320 AUD
Retailer 12$14,376 AUD
Retailer 22$14,377 AUD
Retailer 15$14,443 AUD
Retailer 18$14,573 AUD
Retailer 8$15,576 AUD
Retailer 4$15,815 AUD
Retailer 10$15,937 AUD
Retailer 2$16,408 AUD
Retailer 6$17,972 AUD
Retailer 19$19,135 AUD
Retailer 17$20,341 AUD
Retailer 21$20,765 AUD
NZ Jewellers$21,708 AUD

22 data points across 22 retailers

25 retailers$11,771 AUD to $21,708 AUD

A
Cheapest Retailer
-
$11,771 AUD
HK$64,600 HKD
A
Retailer 2
-
$12,554 AUD
₹839,838 INR
View
A
Retailer 3
-
$12,626 AUD
$8,869 USD
View
B+
Retailer 4
-
$13,251 AUD
$9,308 USD
View
Retailer 5
-
$13,426 AUD
SGD 12,745 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$13,460 AUD
$9,455 USD
View
B+
Retailer 7
-
$13,738 AUD
$9,650 USD
View
B+
Retailer 8
-
$14,215 AUD
$9,985 USD
View
B+
Retailer 9
-
$14,250 AUD
£7,882 GBP
View
Retailer 10
-
$14,320 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$14,376 AUD
$10,098 USD
View
Final sale: no returns
B+
Retailer 12
-
$14,377 AUD
$10,099 USD
View
B+
Retailer 13
-
$14,443 AUD
SGD 13,710 SGD
View
B+
Retailer 14
-
$14,573 AUD
£8,060 GBP
View
B+
Retailer 15
-
$14,750 AUD
$10,361 USD
View
B+
Retailer 16
-
$15,414 AUD
View
B+
Retailer 17
-
$15,576 AUD
$10,941 USD
View
B+
Retailer 18
-
$15,815 AUD
$11,109 USD
View
B+
Retailer 19
-
$15,937 AUD
$11,195 USD
View
B+
Retailer 20
-
$16,408 AUD
€10,977 EUR
View
B+
Retailer 21
-
$17,972 AUD
$12,624 USD
View
B
Retailer 22
-
$19,135 AUD
ZAR 217,144 ZAR
View
B
Retailer 23
-
$20,341 AUD
£11,251 GBP
View
B
Retailer 24
-
$20,765 AUD
£11,485 GBP
View
Most Expensive
B
NZ Jewellers
8e50e939-006c-4c8f-8bac-23c1eb5210cd · Oct 30
$21,708 AUD
$15,249 USD
View
24 more retailers have this diamond
Prices start from $11,771 AUDSave up to $9,937 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
$11,771 AUD