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Round|Natural|GIA

0.51ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7553393622

Certificate GIA 7553393622

Diamond specifications and retailer prices

From $812 SGD
$635 USD
As of October 27, 2026
Save $1,916 SGD (70%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,728 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553393622. Listed at 24 retailers as of October 27, 2026, with prices from $812 to $2,728, a $1,916 spread on the same certified stone. NZ Jewellers lists it at $2,728. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7553393622
Dimensions5.08 × 5.10 × 3.21 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.08 mm5.10 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7553393622
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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 27
Current: $1,162 SGD|Low: $606 SGD|High: $2,033 SGD|Avg: $1,141 SGD|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 8$606 SGD
Retailer 10$849 SGD
Retailer 2$923 SGD
Retailer 4$1,029 SGD
Retailer 5$1,062 SGD
Retailer 3$1,132 SGD
Retailer 1$1,162 SGD
Retailer 9$1,308 SGD
Retailer 6$1,339 SGD
Retailer 7$2,020 SGD

35 data points across 10 retailers

24 retailers$812 SGD to $2,728 SGD

A
Cheapest Retailer
-
$812 SGD
$635 USD
A
Retailer 2
-
$821 SGD
$642 USD
View
Retailer 3
-
$849 SGD
$664 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$849 SGD
$664 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$865 SGD
$677 USD
View
B+
Retailer 6
-
$909 SGD
$711 USD
View
B+
Retailer 7
-
$923 SGD
$722 USD
View
Retailer 8
-
$930 SGD
$727 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$964 SGD
$754 USD
View
B+
Retailer 10
-
$997 SGD
$780 USD
View
B+
Retailer 11
-
$997 SGD
$780 USD
View
B+
Retailer 12
-
$1,029 SGD
$805 USD
View
B+
Retailer 13
-
$1,036 SGD
$810 USD
View
B+
Retailer 14
-
$1,041 SGD
$815 USD
View
B+
Retailer 15
-
$1,062 SGD
£654 GBP
View
B+
Retailer 16
-
$1,102 SGD
$862 USD
View
B+
Retailer 17
-
$1,132 SGD
£697 GBP
View
B+
Retailer 18
-
$1,162 SGD
€866 EUR
View
B+
Retailer 19
-
$1,212 SGD
$948 USD
View
Retailer 20
-
$1,308 SGD
A$1,574 AUD
View
Price last confirmed 29 days ago
B+
Retailer 21
-
$1,339 SGD
ZAR 16,926 ZAR
View
B
Retailer 22
-
$2,020 SGD
£1,244 GBP
View
B
Retailer 23
-
$2,499 SGD
CA$2,715 CAD
View
Most Expensive
B
NZ Jewellers
345bfcde-ed97-42b4-ac88-7a1a1bb92407 · Oct 27
$2,728 SGD
$2,134 USD
View
23 more retailers have this diamond
Prices start from $812 SGDSave up to $1,916 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 Round
$812 SGD