Oval|Natural|GIA

1.70ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 1538535517

Certificate GIA 1538535517

Diamond specifications and retailer prices

From $7,024 USD
£5,531 GBP
As of October 30, 2026
Save $6,494 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,518 USD 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 1538535517. Listed at 9 retailers as of October 30, 2026, with prices from $7,024 to $13,518, a $6,494 spread on the same certified stone. NZ Jewellers lists it at $13,518. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle40.42°
Pavilion angle39.44°
OriginNatural
Grading LabGIA
CertificateGIA 1538535517
Dimensions8.90 × 6.46 × 4.31 mm
L/W Ratio1.38
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
8.90 mm6.46 mm1.70 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1538535517
Side View
Table 58.0%Crown 40.42°Girdle: THK-VTKPavilion 39.44°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
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: Oct 30
Current: $13,518 USD|Low: $7,003 USD|High: $13,756 USD|Avg: $8,927 USD|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$7,024 USD
Retailer 3$7,585 USD
Retailer 10$7,650 USD
Retailer 9$7,884 USD
Retailer 8$8,082 USD
Retailer 6$8,122 USD
Retailer 5$8,207 USD
Retailer 2$9,151 USD
Retailer 7$11,325 USD
NZ Jewellers$13,518 USD

32 data points across 10 retailers

9 retailers$7,024 USD to $13,518 USD

A
Cheapest Retailer
-
$7,024 USD
£5,531 GBP
A
Retailer 2
-
$7,585 USD
£5,972 GBP
View
A
Retailer 3
-
$7,650 USD
View
Retailer 4
-
$7,884 USD
A$12,130 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$8,082 USD
View
A
Retailer 6
-
$8,122 USD
View
A
Retailer 7
-
$8,207 USD
View
B+
Retailer 8
-
$11,325 USD
£8,917 GBP
View
Most Expensive
B
NZ Jewellers
8b26ef5a-896d-45aa-a41b-d51ecc5b6cf8 · Oct 30
$13,518 USD
View
8 more retailers have this diamond
Prices start from $7,024 USDSave up to $6,494 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 Oval
$7,024 USD