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Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565462888

Certificate GIA 6565462888

Diamond specifications and retailer prices

From $570 USD
As of October 31, 2026
Save $1,370 USD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,940 USD 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 G 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 6565462888. Listed at 15 retailers as of October 30, 2026, with prices from $570 to $1,940, a $1,370 spread on the same certified stone. NZ Jewellers lists it at $1,940. 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

0.51
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565462888
Dimensions6.18 × 4.63 × 2.79 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather
Top View
6.18 mm4.63 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565462888
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.2%

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: Oct 31
Current: $1,940 USD|Low: $545 USD|High: $2,064 USD|Avg: $872 USD|-6.0%
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 31, 2026
Retailer 5$570 USD
Retailer 2$579 USD
Retailer 13$619 USD
Retailer 6$645 USD
Retailer 4$666 USD
Retailer 15$666 USD
Retailer 3$670 USD
Retailer 11$714 USD
Retailer 8$755 USD
Retailer 9$762 USD
Retailer 12$779 USD
Retailer 14$810 USD
Retailer 7$990 USD
Retailer 10$1,436 USD
NZ Jewellers$1,940 USD

30 data points across 15 retailers

15 retailers$570 USD to $1,940 USD

A
Cheapest Retailer
-
$570 USD
Final sale: no returns
A
Retailer 2
-
$579 USD
View
A
Retailer 3
-
$619 USD
View
Retailer 4
-
$645 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$666 USD
View
A
Retailer 6
-
$666 USD
View
A
Retailer 7
-
$670 USD
SGD 905 SGD
View
A
Retailer 8
-
$714 USD
View
B+
Retailer 9
-
$755 USD
£594 GBP
View
B+
Retailer 10
-
$762 USD
£600 GBP
View
B+
Retailer 11
-
$779 USD
View
B+
Retailer 12
-
$810 USD
View
Retailer 13
-
$990 USD
A$1,522 AUD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$1,436 USD
£1,131 GBP
View
Most Expensive
B
NZ Jewellers
c50136d1-cc98-4d49-9767-77b458787b40 · Oct 30
$1,940 USD
View
14 more retailers have this diamond
Prices start from $570 USDSave up to $1,370 USD

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
0.51ct Oval
$570 USD