Oval|Natural|GIA

0.51ct D I1 Oval Natural Diamond

GD • D/I1 • GIA 7452391372

Certificate GIA 7452391372

Diamond specifications and retailer prices

From $1,158 NZD
HK$5,100 HKD
As of October 31, 2026
Save $578 NZD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,829 NZD at NZ Jewellers · As of September 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 D colour (colourless) and I1 clarity (included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7452391372. Listed at 7 retailers as of October 31, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
I1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7452391372
Dimensions6.21 × 4.58 × 2.87 mm
L/W Ratio1.36
Top View
6.21 mm4.58 mm0.51 ctD / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7452391372
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

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 31
Current: $1,158 NZD|Low: $979 NZD|High: $2,072 NZD|Avg: $1,437 NZD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2$979 NZD
Retailer 1$1,158 NZD
Retailer 5$1,221 NZD
Retailer 6$1,221 NZD
Retailer 10$1,331 NZD
Retailer 4$1,409 NZD
Retailer 7$1,412 NZD
Retailer 3$1,736 NZD
Retailer 8$1,859 NZD
Retailer 9$2,072 NZD

13 data points across 10 retailers

7 retailers$1,158 NZD to $1,736 NZD

B+
Cheapest Retailer
-
$1,158 NZD
HK$5,100 HKD
Retailer 2
-
$1,221 NZD
$688 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$1,221 NZD
$688 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$1,269 NZD
$715 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$1,409 NZD
$794 USD
View
Price last confirmed 32 days ago
B
Retailer 6
-
$1,736 NZD
€932 EUR
View
Most Expensive
NZ Jewellers
88465828-19e4-4062-aeb9-107aa8cfc505 · Sep 30
$3,829 NZD
$2,158 USD
View
Price under review
6 more retailers have this diamond
Prices start from $1,158 NZDSave up to $578 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
$1,158 NZD