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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 $8,460 SGD
HK$51,700 HKD
As of October 30, 2026
Save $10,871 SGD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $19,331 SGD 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 $8,460 to $19,331, a $10,871 spread on the same certified stone. NZ Jewellers lists it at $19,331. 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: $19,331 SGD|Low: $8,460 SGD|High: $21,085 SGD|Avg: $12,551 SGD|-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$8,460 SGD
Retailer 4$9,439 SGD
Retailer 9$9,790 SGD
Retailer 8$10,321 SGD
Retailer 5$11,558 SGD
Retailer 6$11,736 SGD
Retailer 3$12,678 SGD
Retailer 2$16,193 SGD
NZ Jewellers$19,331 SGD

36 data points across 9 retailers

9 retailers$8,460 SGD to $19,331 SGD

A
Cheapest Retailer
-
$8,460 SGD
HK$51,700 HKD
Retailer 2
-
$9,439 SGD
€7,032 EUR
View
Price last confirmed 4 days ago
Retailer 3
-
$9,790 SGD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$10,321 SGD
$8,073 USD
View
B+
Retailer 5
-
$11,558 SGD
$9,041 USD
View
B+
Retailer 6
-
$11,736 SGD
$9,180 USD
View
B+
Retailer 7
-
$12,678 SGD
€9,445 EUR
View
B+
Retailer 8
-
$16,193 SGD
£9,974 GBP
View
Most Expensive
B
NZ Jewellers
64cafd8e-cc68-4655-a8a0-e9af2cd50caf · Oct 27
$19,331 SGD
$15,121 USD
View
8 more retailers have this diamond
Prices start from $8,460 SGDSave up to $10,871 SGD

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
$8,460 SGD