Oval|Natural|GIA

0.63ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1543647504

Certificate GIA 1543647504

Diamond specifications and retailer prices

From $1,149 AUD
$807 USD
As of October 27, 2026
Save $1,973 AUD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,122 AUD 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 14 retailers as of October 27, 2026, with prices from $1,149 to $3,122, a $1,973 spread on the same certified stone. NZ Jewellers lists it at $3,122. 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
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 →
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 27
Current: $3,122 AUD|Low: $841 AUD|High: $3,122 AUD|Avg: $1,443 AUD
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$920 AUD
Retailer 7$995 AUD
Retailer 14$995 AUD
Retailer 4$1,034 AUD
Retailer 6$1,149 AUD
Retailer 15$1,149 AUD
Retailer 5$1,214 AUD
Retailer 8$1,224 AUD
Retailer 2$1,229 AUD
Retailer 13$1,253 AUD
Retailer 9$1,408 AUD
Retailer 10$1,483 AUD
Retailer 3$1,497 AUD
Retailer 11$2,312 AUD
NZ Jewellers$3,122 AUD

39 data points across 15 retailers

14 retailers$1,149 AUD to $3,122 AUD

Retailer 1
-
$995 AUD
$699 USD
Price last confirmed 7 days ago
Retailer 2
-
$995 AUD
$699 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$1,034 AUD
$726 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,149 AUD
$807 USD
View
B+
Retailer 5
-
$1,149 AUD
$807 USD
View
Retailer 6
-
$1,214 AUD
$853 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,224 AUD
£677 GBP
View
B+
Retailer 8
-
$1,229 AUD
£680 GBP
View
Retailer 9
-
$1,253 AUD
$880 USD
View
Price last confirmed 5 days ago
B
Retailer 10
-
$1,408 AUD
€942 EUR
View
Retailer 11
-
$1,483 AUD
ZAR 16,832 ZAR
View
Price last confirmed 7 days ago
Retailer 12
-
$1,497 AUD
View
Price last confirmed 29 days ago
Retailer 13
-
$2,312 AUD
£1,279 GBP
View
Price last confirmed 12 days ago
Most Expensive
C
NZ Jewellers
f6f149dc-5fce-4d7a-a8ef-7b55ea064659 · Oct 27
$3,122 AUD
$2,193 USD
View
13 more retailers have this diamond
Prices start from $1,149 AUDSave up to $1,973 AUD

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
$1,149 AUD