Oval|Natural|GIA

0.63ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1543647504

Certificate GIA 1543647504

Diamond specifications and retailer prices

From $646 USD
As of October 28, 2026
Save $1,547 USD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,193 USD at NZ Jewellers · As of October 27, 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 1543647504. Listed at 15 retailers as of October 27, 2026, with prices from $646 to $2,193, a $1,547 spread on the same certified stone. NZ Jewellers lists it at $2,193. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1543647504
Dimensions6.84 × 4.73 × 3.06 mm
L/W Ratio1.45
Key to symbols
Crystal
Top View
6.84 mm4.73 mm0.63 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1543647504
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 64.6%

Caratlytics Score

How it works →
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 28
Current: $2,193 USD|Low: $591 USD|High: $2,193 USD|Avg: $1,014 USD
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
October 28, 2026
Retailer 12$646 USD
Retailer 7$699 USD
Retailer 14$699 USD
Retailer 4$726 USD
Retailer 6$807 USD
Retailer 15$807 USD
Retailer 5$853 USD
Retailer 8$860 USD
Retailer 2$863 USD
Retailer 13$880 USD
Retailer 9$989 USD
Retailer 10$1,042 USD
Retailer 3$1,052 USD
Retailer 11$1,624 USD
NZ Jewellers$2,193 USD

39 data points across 15 retailers

15 retailers$646 USD to $2,193 USD

A
Cheapest Retailer
-
$646 USD
Final sale: no returns
A
Retailer 2
-
$699 USD
View
A
Retailer 3
-
$699 USD
View
B+
Retailer 4
-
$726 USD
View
B+
Retailer 5
-
$807 USD
View
B+
Retailer 6
-
$807 USD
View
B+
Retailer 7
-
$853 USD
View
B+
Retailer 8
-
$860 USD
£677 GBP
View
B+
Retailer 9
-
$863 USD
£680 GBP
View
B+
Retailer 10
-
$880 USD
View
B
Retailer 11
-
$989 USD
€942 EUR
View
B+
Retailer 12
-
$1,042 USD
ZAR 16,832 ZAR
View
Retailer 13
-
$1,052 USD
A$1,618 AUD
View
Price last confirmed 27 days ago
Retailer 14
-
$1,624 USD
£1,279 GBP
View
Price last confirmed 10 days ago
Most Expensive
C
NZ Jewellers
f6f149dc-5fce-4d7a-a8ef-7b55ea064659 · Oct 27
$2,193 USD
View
14 more retailers have this diamond
Prices start from $646 USDSave up to $1,547 USD

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
0.63ct Oval
$646 USD