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Oval|Natural|GIA

1.70ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2235994301

Certificate GIA 2235994301

Diamond specifications and retailer prices

From $11,742 NZD
HK$51,700 HKD
As of October 30, 2026
Save $15,088 NZD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $26,829 NZD 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 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 2235994301. Listed at 9 retailers as of October 27, 2026, with prices from $11,742 to $26,829, a $15,088 spread on the same certified stone. NZ Jewellers lists it at $26,829. 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
SymmetryExcellent
FluorescenceMedium
Pavilion angle37.45°
OriginNatural
Grading LabGIA
CertificateGIA 2235994301
Dimensions9.20 × 6.56 × 4.25 mm
L/W Ratio1.40
Key to symbols
Crystal, Feather
Top View
9.20 mm6.56 mm1.70 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235994301
Side View
Table 63.0%CrownGirdle: THK-VTKPavilion 37.45°Culet: NoneDepth 64.8%

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 30
Current: $26,829 NZD|Low: $11,742 NZD|High: $29,264 NZD|Avg: $17,461 NZD|-8.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7$11,742 NZD
Retailer 4$13,100 NZD
Retailer 9$13,588 NZD
Retailer 8$14,324 NZD
Retailer 5$16,041 NZD
Retailer 6$16,288 NZD
Retailer 3$17,596 NZD
Retailer 2$22,475 NZD
NZ Jewellers$26,829 NZD

35 data points across 9 retailers

9 retailers$11,742 NZD to $26,829 NZD

A
Cheapest Retailer
-
$11,742 NZD
HK$51,700 HKD
Retailer 2
-
$13,100 NZD
€7,032 EUR
View
Price last confirmed 5 days ago
Retailer 3
-
$13,588 NZD
SGD 10,349 SGD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$14,324 NZD
$8,073 USD
View
B+
Retailer 5
-
$16,041 NZD
$9,041 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$16,288 NZD
$9,180 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$17,596 NZD
€9,445 EUR
View
B+
Retailer 8
-
$22,475 NZD
£9,974 GBP
View
Most Expensive
B
NZ Jewellers
64cafd8e-cc68-4655-a8a0-e9af2cd50caf · Oct 27
$26,829 NZD
$15,121 USD
View
8 more retailers have this diamond
Prices start from $11,742 NZDSave up to $15,088 NZD

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
$11,742 NZD