Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 1545913286

Certificate GIA 1545913286

Diamond specifications and retailer prices

From $603 NZD
₹32,382 INR
As of November 1, 2026
Save $2,516 NZD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,119 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural oval diamond

This 0.5ct natural oval sits in the half to three-quarter carat band, graded I 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 1545913286. Listed at 19 retailers as of October 30, 2026, with prices from $603 to $3,119, a $2,516 spread on the same certified stone. NZ Jewellers lists it at $3,119. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545913286
Dimensions6.38 × 4.35 × 2.74 mm
L/W Ratio1.47
Girdle conditionFaceted
Top View
6.38 mm4.35 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545913286
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $603 NZD|Low: $602 NZD|High: $1,902 NZD|Avg: $1,049 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 1$603 NZD
Retailer 9$749 NZD
Retailer 8$831 NZD
Retailer 6$971 NZD
Retailer 2$999 NZD
Retailer 3$1,023 NZD
Retailer 7$1,157 NZD
Retailer 5$1,230 NZD
Retailer 4$1,879 NZD

29 data points across 9 retailers

19 retailers$603 NZD to $3,119 NZD

A
Cheapest Retailer
-
$603 NZD
₹32,382 INR
A
Retailer 2
-
$704 NZD
HK$3,100 HKD
View
A
Retailer 3
-
$749 NZD
$422 USD
View
Final sale: no returns
Retailer 4
-
$814 NZD
$459 USD
View
Price last confirmed 69 days ago
A
Retailer 5
-
$814 NZD
$459 USD
View
A
Retailer 6
-
$831 NZD
SGD 633 SGD
View
A
Retailer 7
-
$859 NZD
SGD 654 SGD
View
A
Retailer 8
-
$877 NZD
$494 USD
View
A
Retailer 9
-
$939 NZD
$529 USD
View
A
Retailer 10
-
$971 NZD
$547 USD
View
A
Retailer 11
-
$999 NZD
£443 GBP
View
B+
Retailer 12
-
$1,023 NZD
£454 GBP
View
B+
Retailer 13
-
$1,120 NZD
$631 USD
View
B+
Retailer 14
-
$1,157 NZD
$652 USD
View
B+
Retailer 15
-
$1,163 NZD
$655 USD
View
B+
Retailer 16
-
$1,230 NZD
€660 EUR
View
B
Retailer 17
-
$1,879 NZD
£834 GBP
View
Retailer 18
-
$3,119 NZD
$1,758 USD
View
Price last confirmed 64 days ago
Most Expensive
B
NZ Jewellers
761ba98e-a81e-46b3-b0ed-0d96da0bb0e6 · Oct 30
$3,119 NZD
$1,758 USD
View
18 more retailers have this diamond
Prices start from $603 NZDSave up to $2,516 NZD

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
0.50ct Oval
$603 NZD