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Oval|Natural|GIA

1.55ct D SI2 Oval Natural Diamond

D/SI2 • GIA 5563111238

Certificate GIA 5563111238

Diamond specifications and retailer prices

From $10,083 AUD
£5,577 GBP
As of October 30, 2026
Save $7,760 AUD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $17,843 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural oval diamond

This 1.55ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included) and certified by GIA 5563111238. Listed at 6 retailers as of October 30, 2026, with prices from $10,083 to $17,843, a $7,760 spread on the same certified stone. NZ Jewellers lists it at $17,843. 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

1.55
Carat
D
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37.93°
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 5563111238
Dimensions9.44 × 6.52 × 3.72 mm
L/W Ratio1.45
Girdle conditionThick
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Cavity, Needle
Top View
9.44 mm6.52 mm1.55 ctD / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5563111238
Side View
Table 60.0%Crown 37.93°GirdlePavilion 35.73°CuletDepth 57.0%

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: Oct 30
Current: $17,843 AUD|Low: $10,083 AUD|High: $18,063 AUD|Avg: $13,035 AUD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$10,083 AUD
Retailer 2$10,668 AUD
Retailer 6$10,910 AUD
Retailer 3$12,068 AUD
Retailer 5$15,057 AUD
NZ Jewellers$17,843 AUD

40 data points across 6 retailers

6 retailers$10,083 AUD to $17,843 AUD

B+
Cheapest Retailer
-
$10,083 AUD
£5,577 GBP
B+
Retailer 2
-
$10,668 AUD
$7,494 USD
View
B+
Retailer 3
-
$10,910 AUD
$7,664 USD
View
B+
Retailer 4
-
$12,068 AUD
$8,477 USD
View
B
Retailer 5
-
$15,057 AUD
£8,328 GBP
View
Most Expensive
B
NZ Jewellers
38fcc6d4-654d-4bcd-8da4-a7debc83046f · Oct 30
$17,843 AUD
$12,534 USD
View
5 more retailers have this diamond
Prices start from $10,083 AUDSave up to $7,760 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+
1.55ct Oval
$10,083 AUD