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Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

VG • H/SI1 • GIA 1518374826

Certificate GIA 1518374826

Diamond specifications and retailer prices

From $2,930 SGD
As of November 4, 2026
Save $3,644 SGD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,868 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1518374826. Listed at 23 retailers as of November 4, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1518374826
Dimensions8.55 × 5.29 × 3.22 mm
L/W Ratio1.62
Top View
8.55 mm5.29 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1518374826
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,868 SGD|Low: $3,021 SGD|High: $6,868 SGD|Avg: $4,484 SGD
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
November 6, 2026
Retailer 11$3,296 SGD
Retailer 10$3,378 SGD
Retailer 5$3,571 SGD
Retailer 13$3,571 SGD
Retailer 2$3,824 SGD
Retailer 7$4,050 SGD
Retailer 4$4,105 SGD
Retailer 3$4,120 SGD
Retailer 12$4,210 SGD
Retailer 6$4,589 SGD
Retailer 8$4,811 SGD
Retailer 9$6,573 SGD
NZ Jewellers$6,868 SGD

39 data points across 13 retailers

23 retailers$2,930 SGD to $6,573 SGD

B+
Cheapest Retailer
-
$2,930 SGD
B+
Retailer 2
-
$3,199 SGD
View
B+
Retailer 3
-
$3,296 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,378 SGD
View
B
Retailer 5
-
$3,505 SGD
View
Retailer 6
-
$3,571 SGD
View
Price last confirmed 21 days ago
Retailer 7
-
$3,571 SGD
View
Price last confirmed 17 days ago
Retailer 8
-
$3,709 SGD
View
Price last confirmed 21 days ago
B
Retailer 9
-
$3,824 SGD
View
B+
Retailer 10
-
$4,050 SGD
View
B
Retailer 11
-
$4,105 SGD
View
Retailer 12
-
$4,120 SGD
View
Price last confirmed 66 days ago
Retailer 13
-
$4,120 SGD
View
Price last confirmed 16 days ago
Retailer 14
-
$4,210 SGD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$4,216 SGD
View
B
Retailer 16
-
$4,216 SGD
View
B
Retailer 17
-
$4,357 SGD
View
B
Retailer 18
-
$4,432 SGD
View
B
Retailer 19
-
$4,589 SGD
View
B
Retailer 20
-
$4,811 SGD
View
B
Retailer 21
-
$6,573 SGD
View
Retailer 22
-
$6,868 SGD
View
Price last confirmed 56 days ago
Most Expensive
NZ Jewellers
608f5103-5a3a-4de9-85a3-1b77a034b051 · Oct 20
$6,868 SGD
$5,359 USD
View
Price last confirmed 16 days ago
22 more retailers have this diamond
Prices start from $2,930 SGDSave up to $3,644 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.

B+
1.00ct Oval
$2,930 SGD