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Oval|Natural|GIA

0.51ct K SI2 Oval Natural Diamond

VG • K/SI2 • GIA 2376441621

Certificate GIA 2376441621

Diamond specifications and retailer prices

From $620 SGD
As of November 5, 2026
Save $811 SGD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,377 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2376441621. Listed at 12 retailers as of November 1, 2026, with a 131% 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
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2376441621
Dimensions6.53 × 4.36 × 2.76 mm
L/W Ratio1.50
Top View
6.53 mm4.36 mm0.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2376441621
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,377 SGD|Low: $620 SGD|High: $2,377 SGD|Avg: $840 SGD
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
November 6, 2026
Retailer 12$620 SGD
Retailer 5$624 SGD
Retailer 9$668 SGD
Retailer 14$668 SGD
Retailer 6$684 SGD
Retailer 4$705 SGD
Retailer 13$715 SGD
Retailer 2$736 SGD
Retailer 8$761 SGD
Retailer 3$782 SGD
Retailer 15$788 SGD
Retailer 10$932 SGD
Retailer 7$942 SGD
Retailer 11$1,432 SGD
NZ Jewellers$2,377 SGD

30 data points across 15 retailers

12 retailers$620 SGD to $1,432 SGD

A
Cheapest Retailer
-
$620 SGD
B+
Retailer 2
-
$668 SGD
View
Retailer 3
-
$668 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$705 SGD
View
B+
Retailer 5
-
$715 SGD
View
B+
Retailer 6
-
$736 SGD
View
B
Retailer 7
-
$761 SGD
View
B
Retailer 8
-
$782 SGD
View
B
Retailer 9
-
$788 SGD
View
B
Retailer 10
-
$932 SGD
View
B
Retailer 11
-
$1,432 SGD
View
Most Expensive
NZ Jewellers
3b063a02-d0ae-491e-bb58-4125d27533c2 · Nov 5
$2,377 SGD
$1,855 USD
View
Price under review
11 more retailers have this diamond
Prices start from $620 SGDSave up to $811 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
$620 SGD