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Oval|Natural|GIA

0.63ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 7451087639

Certificate GIA 7451087639

Diamond specifications and retailer prices

From $1,038 SGD
$812 USD
As of October 29, 2026
Save $1,250 SGD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,895 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.63ct natural oval diamond

This 0.63ct natural oval sits in the half to three-quarter 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 7451087639. Listed at 19 retailers as of October 29, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.63
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7451087639
Dimensions6.68 × 4.88 × 3.07 mm
L/W Ratio1.37
Top View
6.68 mm4.88 mm0.63 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7451087639
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.9%

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: Oct 29
Current: $1,855 SGD|Low: $951 SGD|High: $2,302 SGD|Avg: $1,521 SGD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$1,038 SGD
Retailer 2$1,105 SGD
Retailer 9$1,125 SGD
Retailer 6$1,330 SGD
Retailer 3$1,452 SGD
Retailer 10$1,651 SGD
Retailer 5$1,744 SGD
Retailer 1$1,855 SGD
Retailer 8$1,868 SGD
Retailer 4$2,288 SGD

41 data points across 10 retailers

19 retailers$1,038 SGD to $2,288 SGD

B+
Cheapest Retailer
-
$1,038 SGD
$812 USD
Final sale: no returns
B+
Retailer 2
-
$1,105 SGD
$864 USD
View
Retailer 3
-
$1,125 SGD
$880 USD
View
Price last confirmed 40 days ago
Retailer 4
-
$1,125 SGD
$880 USD
View
Price last confirmed 24 days ago
B+
Retailer 5
-
$1,139 SGD
$891 USD
View
Retailer 6
-
$1,168 SGD
$914 USD
View
Price last confirmed 33 days ago
Retailer 7
-
$1,299 SGD
$1,016 USD
View
Price last confirmed 48 days ago
Retailer 8
-
$1,299 SGD
$1,016 USD
View
Price last confirmed 33 days ago
Retailer 9
-
$1,299 SGD
$1,016 USD
View
Price last confirmed 40 days ago
B+
Retailer 10
-
$1,330 SGD
$1,040 USD
View
B
Retailer 11
-
$1,452 SGD
£894 GBP
View
B
Retailer 12
-
$1,651 SGD
$1,292 USD
View
B
Retailer 13
-
$1,744 SGD
€1,299 EUR
View
B
Retailer 14
-
$1,855 SGD
ZAR 23,444 ZAR
View
Retailer 15
-
$1,868 SGD
A$2,248 AUD
View
Price last confirmed 27 days ago
B
Retailer 16
-
$2,288 SGD
£1,409 GBP
View
Retailer 17
-
$3,895 SGD
$3,047 USD
View
Price under review
Retailer 18
-
$3,895 SGD
$3,047 USD
View
Price under review
Most Expensive
NZ Jewellers
ffb2c7c6-caed-4016-a105-fef4c45160d2 · Sep 30
$3,895 SGD
$3,047 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,038 SGDSave up to $1,250 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+
0.63ct Oval
$1,038 SGD