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Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1478792767

Certificate GIA 1478792767

Diamond specifications and retailer prices

From $1,229 SGD
As of November 6, 2026
Save $1,455 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,585 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1478792767. Listed at 18 retailers as of November 4, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1478792767
Dimensions6.46 × 4.31 × 2.72 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 1478792767
Top View
6.46 mm4.31 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1478792767
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.2%

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: Nov 6
Current: $1,301 SGD|Low: $1,043 SGD|High: $2,723 SGD|Avg: $1,714 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$1,229 SGD
Retailer 8$1,237 SGD
Retailer 9$1,282 SGD
Retailer 1$1,301 SGD
Retailer 3$1,383 SGD
Retailer 10$1,512 SGD
Retailer 5$1,658 SGD
Retailer 2$1,921 SGD
Retailer 4$2,045 SGD
Retailer 6$2,268 SGD
Retailer 7$2,684 SGD

43 data points across 11 retailers

18 retailers$1,229 SGD to $2,684 SGD

B+
Cheapest Retailer
-
$1,229 SGD
Final sale: no returns
B+
Retailer 2
-
$1,233 SGD
View
B+
Retailer 3
-
$1,271 SGD
View
Retailer 4
-
$1,282 SGD
View
Price last confirmed 10 days ago
B
Retailer 5
-
$1,301 SGD
View
Retailer 6
-
$1,332 SGD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$1,332 SGD
View
B
Retailer 8
-
$1,383 SGD
View
B
Retailer 9
-
$1,512 SGD
View
B
Retailer 10
-
$1,537 SGD
View
B
Retailer 11
-
$1,658 SGD
View
B
Retailer 12
-
$1,690 SGD
View
Retailer 13
-
$1,921 SGD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$2,045 SGD
View
B
Retailer 15
-
$2,268 SGD
View
B
Retailer 16
-
$2,388 SGD
View
B
Retailer 17
-
$2,684 SGD
View
Most Expensive
NZ Jewellers
77584bb3-a968-4db0-8ddc-5397316cd7de · Nov 5
$3,585 SGD
$2,797 USD
View
Price under review
17 more retailers have this diamond
Prices start from $1,229 SGDSave up to $1,455 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.

B+
0.51ct Oval
$1,229 SGD