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Oval|Natural|GIA

1.70ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 2537371074

Certificate GIA 2537371074

Diamond specifications and retailer prices

From $9,428 SGD
$7,375 USD
As of November 1, 2026
Save $8,728 SGD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,156 SGD 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 2537371074. Listed at 17 retailers as of October 30, 2026, with prices from $9,428 to $18,156, a $8,728 spread on the same certified stone. NZ Jewellers lists it at $18,156. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38.76°
OriginNatural
Grading LabGIA
CertificateGIA 2537371074
Dimensions9.01 × 6.53 × 4.26 mm
L/W Ratio1.38
Top View
9.01 mm6.53 mm1.70 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2537371074
Side View
Table 62.0%Crown 38.76°Girdle: STK-VTKPavilionCulet: NoneDepth 65.3%

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: Nov 1
Current: $18,156 SGD|Low: $9,428 SGD|High: $21,448 SGD|Avg: $12,826 SGD|-15.3%
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
November 1, 2026
Retailer 16$9,428 SGD
Retailer 6$9,858 SGD
Retailer 8$10,457 SGD
Retailer 13$10,893 SGD
Retailer 15$11,801 SGD
Retailer 3$11,904 SGD
Retailer 10$11,906 SGD
Retailer 14$11,982 SGD
Retailer 5$12,063 SGD
Retailer 4$12,631 SGD
Retailer 7$12,631 SGD
Retailer 9$13,052 SGD
Retailer 17$13,616 SGD
Retailer 12$13,727 SGD
Retailer 11$16,003 SGD
Retailer 2$17,013 SGD
NZ Jewellers$18,156 SGD

38 data points across 17 retailers

17 retailers$9,428 SGD to $18,156 SGD

A
Cheapest Retailer
-
$9,428 SGD
$7,375 USD
A
Retailer 2
-
$9,858 SGD
$7,711 USD
View
A
Retailer 3
-
$10,457 SGD
$8,180 USD
View
B+
Retailer 4
-
$10,893 SGD
$8,521 USD
View
B+
Retailer 5
-
$11,801 SGD
$9,231 USD
View
B+
Retailer 6
-
$11,904 SGD
$9,312 USD
View
B+
Retailer 7
-
$11,906 SGD
£7,333 GBP
View
B+
Retailer 8
-
$11,982 SGD
$9,373 USD
View
Retailer 9
-
$12,063 SGD
A$14,517 AUD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
$12,631 SGD
$9,880 USD
View
B+
Retailer 11
-
$12,631 SGD
$9,880 USD
View
B+
Retailer 12
-
$13,052 SGD
$10,210 USD
View
B+
Retailer 13
-
$13,616 SGD
$10,651 USD
View
B+
Retailer 14
-
$13,727 SGD
€10,226 EUR
View
B
Retailer 15
-
$16,003 SGD
ZAR 202,230 ZAR
View
B
Retailer 16
-
$17,013 SGD
£10,479 GBP
View
Most Expensive
B
NZ Jewellers
a907e422-b077-4cbe-9271-bd4d69de2e5a · Oct 30
$18,156 SGD
$14,202 USD
View
16 more retailers have this diamond
Prices start from $9,428 SGDSave up to $8,728 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
$9,428 SGD