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Oval|Natural|GIA

0.51ct E I1 Oval Natural Diamond

E/I1 • GIA 7508170152

Certificate GIA 7508170152

Diamond specifications and retailer prices

From $862 NZD
$486 USD
As of October 29, 2026
Save $2,374 NZD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,236 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded E colour (colourless) and I1 clarity (included) and certified by GIA 7508170152. Listed at 11 retailers as of October 29, 2026, with prices from $862 to $3,236, a $2,374 spread on the same certified stone. NZ Jewellers lists it at $3,236. 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

0.51
Carat
E
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7508170152
Dimensions6.21 × 4.56 × 2.80 mm
L/W Ratio1.36
Girdle conditionFaceted
Top View
6.21 mm4.56 mm0.51 ctE / I1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7508170152
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.3%

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: $3,236 NZD|Low: $862 NZD|High: $3,236 NZD|Avg: $1,321 NZD
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
October 31, 2026
Retailer 9$862 NZD
Retailer 12$935 NZD
Retailer 4$954 NZD
Retailer 3$1,008 NZD
Retailer 10$1,008 NZD
Retailer 13$1,079 NZD
Retailer 11$1,145 NZD
Retailer 7$1,153 NZD
Retailer 8$1,153 NZD
Retailer 6$1,207 NZD
Retailer 2$1,528 NZD
Retailer 5$1,566 NZD
NZ Jewellers$3,236 NZD

18 data points across 13 retailers

11 retailers$862 NZD to $3,236 NZD

B+
Cheapest Retailer
-
$862 NZD
$486 USD
Final sale: no returns
B+
Retailer 2
-
$935 NZD
$527 USD
View
B+
Retailer 3
-
$954 NZD
HK$4,200 HKD
View
B+
Retailer 4
-
$1,008 NZD
$568 USD
View
B+
Retailer 5
-
$1,008 NZD
$568 USD
View
B+
Retailer 6
-
$1,079 NZD
$608 USD
View
B+
Retailer 7
-
$1,153 NZD
$650 USD
View
B+
Retailer 8
-
$1,153 NZD
$650 USD
View
B+
Retailer 9
-
$1,207 NZD
$680 USD
View
B
Retailer 10
-
$1,528 NZD
€820 EUR
View
Most Expensive
C
NZ Jewellers
a275b970-edbb-47cd-ac76-9c19f9f20fdb · Oct 30
$3,236 NZD
$1,824 USD
View
10 more retailers have this diamond
Prices start from $862 NZDSave up to $2,374 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.

B+
0.51ct Oval
$862 NZD