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Oval|Natural|GIA

1.70ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6542381429

Certificate GIA 6542381429

Diamond specifications and retailer prices

From $10,571 SGD
HK$64,600 HKD
As of October 30, 2026
Save $8,923 SGD (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $19,494 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 6542381429. Listed at 25 retailers as of October 30, 2026, with prices from $10,571 to $19,494, a $8,923 spread on the same certified stone. NZ Jewellers lists it at $19,494. 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: Oct 30
Current: $19,494 SGD|Low: $10,571 SGD|High: $20,102 SGD|Avg: $14,001 SGD|-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
Retailer 23
November 1, 2026
Retailer 7$10,571 SGD
Retailer 19$11,276 SGD
Retailer 5$11,338 SGD
Retailer 14$11,899 SGD
Retailer 16$12,057 SGD
Retailer 11$12,087 SGD
Retailer 9$12,337 SGD
Retailer 20$12,765 SGD
Retailer 17$12,797 SGD
Retailer 3$12,859 SGD
Retailer 12$12,909 SGD
Retailer 23$12,911 SGD
Retailer 15$12,970 SGD
Retailer 13$13,087 SGD
Retailer 8$13,987 SGD
Retailer 4$14,202 SGD
Retailer 10$14,312 SGD
Retailer 21$14,737 SGD
Retailer 6$16,139 SGD
Retailer 18$17,183 SGD
Retailer 2$18,267 SGD
Retailer 22$18,647 SGD
NZ Jewellers$19,494 SGD

21 data points across 23 retailers

25 retailers$10,571 SGD to $19,494 SGD

A
Cheapest Retailer
-
$10,571 SGD
HK$64,600 HKD
A
Retailer 2
-
$11,276 SGD
₹840,020 INR
View
A
Retailer 3
-
$11,338 SGD
$8,869 USD
View
B+
Retailer 4
-
$11,899 SGD
$9,308 USD
View
Retailer 5
-
$12,057 SGD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$12,087 SGD
$9,455 USD
View
B+
Retailer 7
-
$12,337 SGD
$9,650 USD
View
B+
Retailer 8
-
$12,765 SGD
$9,985 USD
View
B+
Retailer 9
-
$12,797 SGD
£7,882 GBP
View
Retailer 10
-
$12,859 SGD
A$15,475 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$12,909 SGD
$10,098 USD
View
Final sale: no returns
B+
Retailer 12
-
$12,911 SGD
$10,099 USD
View
B+
Retailer 13
-
$12,970 SGD
View
B+
Retailer 14
-
$13,087 SGD
£8,060 GBP
View
B+
Retailer 15
-
$13,246 SGD
$10,361 USD
View
B+
Retailer 16
-
$13,842 SGD
A$16,658 AUD
View
B+
Retailer 17
-
$13,987 SGD
$10,941 USD
View
B+
Retailer 18
-
$14,202 SGD
$11,109 USD
View
B+
Retailer 19
-
$14,312 SGD
$11,195 USD
View
B+
Retailer 20
-
$14,737 SGD
€10,979 EUR
View
B+
Retailer 21
-
$16,139 SGD
$12,624 USD
View
B
Retailer 22
-
$17,183 SGD
ZAR 217,144 ZAR
View
B
Retailer 23
-
$18,267 SGD
£11,251 GBP
View
B
Retailer 24
-
$18,647 SGD
£11,485 GBP
View
Most Expensive
B
NZ Jewellers
8e50e939-006c-4c8f-8bac-23c1eb5210cd · Oct 30
$19,494 SGD
$15,249 USD
View
24 more retailers have this diamond
Prices start from $10,571 SGDSave up to $8,923 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
$10,571 SGD