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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2568589589

Certificate GIA 2568589589

Diamond specifications and retailer prices

From $519 SGD
As of November 6, 2026
Save $1,803 SGD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,322 SGD at NZ Jewellers · As of November 5, 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 H 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 2568589589. Listed at 11 retailers as of November 5, 2026, with prices from $519 to $2,322, a $1,803 spread on the same certified stone. NZ Jewellers lists it at $2,322. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2568589589
Dimensions6.31 × 4.33 × 2.78 mm
L/W Ratio1.46
Girdle conditionThick
Top View
6.31 mm4.33 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2568589589
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.2%

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 6
Current: $2,322 SGD|Low: $519 SGD|High: $2,322 SGD|Avg: $992 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$519 SGD
Retailer 2$550 SGD
Retailer 6$839 SGD
Retailer 4$900 SGD
Retailer 3$904 SGD
Retailer 8$909 SGD
Retailer 9$911 SGD
Retailer 7$1,097 SGD
Retailer 5$1,142 SGD
NZ Jewellers$2,322 SGD

10 data points across 10 retailers

11 retailers$519 SGD to $2,322 SGD

A
Cheapest Retailer
-
$519 SGD
Final sale: no returns
A
Retailer 2
-
$550 SGD
View
A
Retailer 3
-
$729 SGD
View
B+
Retailer 4
-
$839 SGD
View
B+
Retailer 5
-
$900 SGD
View
B+
Retailer 6
-
$904 SGD
View
B+
Retailer 7
-
$909 SGD
View
B+
Retailer 8
-
$911 SGD
View
B+
Retailer 9
-
$1,097 SGD
View
B
Retailer 10
-
$1,142 SGD
View
Most Expensive
B
NZ Jewellers
48c9bb09-83af-4f02-ae8f-d0c082692294 · Nov 5
$2,322 SGD
$1,812 USD
View
10 more retailers have this diamond
Prices start from $519 SGDSave up to $1,803 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
$519 SGD