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Oval|Natural|GIA

1.00ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6535091708

Certificate GIA 6535091708

Diamond specifications and retailer prices

From $3,060 SGD
HK$18,700 HKD
As of October 31, 2026
Save $3,880 SGD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,940 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-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 6535091708. Listed at 23 retailers as of October 30, 2026, with prices from $3,060 to $6,940, a $3,880 spread on the same certified stone. NZ Jewellers lists it at $6,940. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535091708
Dimensions7.85 × 5.63 × 3.53 mm
L/W Ratio1.39
Top View
7.85 mm5.63 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535091708
Side View
Table 63.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.7%

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 31
Current: $6,940 SGD|Low: $3,044 SGD|High: $7,013 SGD|Avg: $4,481 SGD|-1.0%
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
November 1, 2026
Retailer 15$3,060 SGD
Retailer 13$3,219 SGD
Retailer 10$3,573 SGD
Retailer 9$3,652 SGD
Retailer 7$3,677 SGD
Retailer 2$3,886 SGD
Retailer 3$3,983 SGD
Retailer 6$3,983 SGD
Retailer 12$4,128 SGD
Retailer 4$4,137 SGD
Retailer 18$4,167 SGD
Retailer 5$4,298 SGD
Retailer 17$4,597 SGD
Retailer 16$4,665 SGD
Retailer 14$4,897 SGD
Retailer 11$6,663 SGD
Retailer 8$6,713 SGD
NZ Jewellers$6,940 SGD

22 data points across 18 retailers

23 retailers$3,060 SGD to $6,940 SGD

A
Cheapest Retailer
-
$3,060 SGD
HK$18,700 HKD
A
Retailer 2
-
$3,219 SGD
₹239,830 INR
View
A
Retailer 3
-
$3,573 SGD
View
A
Retailer 4
-
$3,652 SGD
$2,857 USD
View
A
Retailer 5
-
$3,677 SGD
$2,876 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,780 SGD
$2,957 USD
View
B+
Retailer 7
-
$3,784 SGD
$2,960 USD
View
B+
Retailer 8
-
$3,886 SGD
£2,394 GBP
View
B+
Retailer 9
-
$3,983 SGD
$3,116 USD
View
B+
Retailer 10
-
$3,983 SGD
$3,116 USD
View
B+
Retailer 11
-
$4,020 SGD
A$4,838 AUD
View
B+
Retailer 12
-
$4,128 SGD
£2,543 GBP
View
B+
Retailer 13
-
$4,137 SGD
$3,236 USD
View
B+
Retailer 14
-
$4,167 SGD
$3,259 USD
View
B+
Retailer 15
-
$4,263 SGD
View
B+
Retailer 16
-
$4,298 SGD
$3,362 USD
View
Retailer 17
-
$4,339 SGD
A$5,222 AUD
View
Price last confirmed 28 days ago
B+
Retailer 18
-
$4,597 SGD
$3,596 USD
View
B+
Retailer 19
-
$4,665 SGD
€3,475 EUR
View
B+
Retailer 20
-
$4,897 SGD
ZAR 61,883 ZAR
View
B
Retailer 21
-
$6,663 SGD
£4,104 GBP
View
B
Retailer 22
-
$6,713 SGD
£4,135 GBP
View
Most Expensive
B
NZ Jewellers
94a82660-1a88-4bff-b67a-ce291e4a3aa7 · Oct 30
$6,940 SGD
$5,429 USD
View
22 more retailers have this diamond
Prices start from $3,060 SGDSave up to $3,880 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
1.00ct Oval
$3,060 SGD