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Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1433864376

Certificate GIA 1433864376

Diamond specifications and retailer prices

From $2,864 SGD
HK$17,500 HKD
As of November 1, 2026
Save $5,175 SGD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,039 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1433864376. Listed at 19 retailers as of October 30, 2026, with prices from $2,864 to $8,039, a $5,175 spread on the same certified stone. NZ Jewellers lists it at $8,039. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1433864376
Dimensions7.34 × 5.56 × 3.60 mm
L/W Ratio1.32
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cloud, Needle, Indented Natural
Top View
7.34 mm5.56 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1433864376
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 64.8%

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 1
Current: $6,431 SGD|Low: $2,671 SGD|High: $6,507 SGD|Avg: $3,922 SGD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$2,864 SGD
Retailer 3$3,043 SGD
Retailer 8$3,196 SGD
Retailer 10$3,215 SGD
Retailer 9$3,305 SGD
Retailer 2$3,618 SGD
Retailer 4$4,077 SGD
Retailer 11$4,108 SGD
Retailer 7$4,501 SGD
Retailer 5$4,726 SGD
Retailer 1$6,431 SGD

44 data points across 11 retailers

19 retailers$2,864 SGD to $8,039 SGD

B+
Cheapest Retailer
-
$2,864 SGD
HK$17,500 HKD
B+
Retailer 2
-
$3,043 SGD
$2,380 USD
View
B+
Retailer 3
-
$3,196 SGD
$2,500 USD
View
B+
Retailer 4
-
$3,215 SGD
$2,515 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,301 SGD
$2,582 USD
View
B+
Retailer 6
-
$3,305 SGD
$2,585 USD
View
B+
Retailer 7
-
$3,484 SGD
$2,725 USD
View
B+
Retailer 8
-
$3,484 SGD
$2,725 USD
View
B
Retailer 9
-
$3,618 SGD
$2,830 USD
View
B+
Retailer 10
-
$3,976 SGD
$3,110 USD
View
B+
Retailer 11
-
$3,976 SGD
$3,110 USD
View
B
Retailer 12
-
$4,019 SGD
$3,144 USD
View
B+
Retailer 13
-
$4,077 SGD
£2,511 GBP
View
B
Retailer 14
-
$4,104 SGD
$3,210 USD
View
Retailer 15
-
$4,108 SGD
A$4,943 AUD
View
Price last confirmed 24 days ago
B
Retailer 16
-
$4,501 SGD
€3,353 EUR
View
B
Retailer 17
-
$4,726 SGD
ZAR 59,726 ZAR
View
B
Retailer 18
-
$6,431 SGD
£3,961 GBP
View
Most Expensive
B
NZ Jewellers
07e4c3a2-671e-4c7f-a30a-3ee37330f083 · Oct 30
$8,039 SGD
$6,288 USD
View
18 more retailers have this diamond
Prices start from $2,864 SGDSave up to $5,175 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
$2,864 SGD