CaratHunter
Plans
Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565462888

Certificate GIA 6565462888

Diamond specifications and retailer prices

From $714 SGD
$558 USD
As of November 2, 2026
Save $1,767 SGD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,481 SGD 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 $714 to $2,481, a $1,767 spread on the same certified stone. NZ Jewellers lists it at $2,481. 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
Colour
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: Nov 2
Current: $2,481 SGD|Low: $697 SGD|High: $2,587 SGD|Avg: $1,088 SGD|-4.1%
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
November 2, 2026
Retailer 12$714 SGD
Retailer 2$733 SGD
Retailer 13$775 SGD
Retailer 6$825 SGD
Retailer 8$834 SGD
Retailer 5$852 SGD
Retailer 4$856 SGD
Retailer 9$894 SGD
Retailer 10$951 SGD
Retailer 11$952 SGD
Retailer 14$996 SGD
Retailer 3$1,036 SGD
Retailer 7$1,788 SGD
NZ Jewellers$2,481 SGD

30 data points across 14 retailers

15 retailers$714 SGD to $2,481 SGD

A
Cheapest Retailer
-
$714 SGD
$558 USD
Final sale: no returns
A
Retailer 2
-
$733 SGD
$573 USD
View
A
Retailer 3
-
$775 SGD
$606 USD
View
Retailer 4
-
$825 SGD
$645 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$834 SGD
$652 USD
View
A
Retailer 6
-
$852 SGD
$666 USD
View
A
Retailer 7
-
$856 SGD
View
A
Retailer 8
-
$894 SGD
$699 USD
View
B+
Retailer 9
-
$951 SGD
£585 GBP
View
B+
Retailer 10
-
$952 SGD
£586 GBP
View
B+
Retailer 11
-
$996 SGD
$779 USD
View
B+
Retailer 12
-
$1,036 SGD
$810 USD
View
Retailer 13
-
$1,266 SGD
A$1,522 AUD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$1,788 SGD
£1,101 GBP
View
Most Expensive
B
NZ Jewellers
c50136d1-cc98-4d49-9767-77b458787b40 · Oct 30
$2,481 SGD
$1,940 USD
View
14 more retailers have this diamond
Prices start from $714 SGDSave up to $1,767 SGD

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
$714 SGD