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Round|Natural|GIA

0.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 3545584511

Certificate GIA 3545584511

Diamond specifications and retailer prices

From $797 SGD
$623 USD
As of October 31, 2026
Save $2,195 SGD (73%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,991 SGD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3545584511. Listed at 27 retailers as of October 30, 2026, with prices from $797 to $2,991, a $2,195 spread on the same certified stone. NZ Jewellers lists it at $2,991. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3545584511
Dimensions5.16 × 5.14 × 3.14 mm
L/W Ratio1.00
Top View
5.16 mm5.14 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545584511
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: Oct 31
Current: $1,347 SGD|Low: $730 SGD|High: $2,493 SGD|Avg: $1,333 SGD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$797 SGD
Retailer 4$865 SGD
Retailer 7$1,059 SGD
Retailer 3$1,139 SGD
Retailer 5$1,194 SGD
Retailer 1$1,347 SGD
Retailer 2$1,748 SGD
Retailer 6$2,485 SGD

41 data points across 8 retailers

27 retailers$797 SGD to $2,991 SGD

A
Cheapest Retailer
-
$797 SGD
$623 USD
Final sale: no returns
A
Retailer 2
-
$848 SGD
$663 USD
View
Retailer 3
-
$865 SGD
$676 USD
View
Price last confirmed 56 days ago
A
Retailer 4
-
$865 SGD
$676 USD
View
Retailer 5
-
$865 SGD
$676 USD
View
Price last confirmed 46 days ago
Retailer 6
-
$865 SGD
$676 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$865 SGD
$676 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$865 SGD
$676 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$898 SGD
$702 USD
View
Price last confirmed 34 days ago
Retailer 10
-
$998 SGD
$780 USD
View
Price last confirmed 41 days ago
Retailer 11
-
$998 SGD
$780 USD
View
Price last confirmed 24 days ago
Retailer 12
-
$998 SGD
$780 USD
View
Price last confirmed 56 days ago
Retailer 13
-
$998 SGD
$780 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$998 SGD
$780 USD
View
B+
Retailer 15
-
$1,003 SGD
$784 USD
View
B+
Retailer 16
-
$1,049 SGD
$820 USD
View
B+
Retailer 17
-
$1,049 SGD
$820 USD
View
B+
Retailer 18
-
$1,059 SGD
$828 USD
View
B+
Retailer 19
-
$1,087 SGD
$850 USD
View
B+
Retailer 20
-
$1,139 SGD
£702 GBP
View
B+
Retailer 21
-
$1,194 SGD
£735 GBP
View
B+
Retailer 22
-
$1,347 SGD
€1,003 EUR
View
B
Retailer 23
-
$1,748 SGD
£1,076 GBP
View
B
Retailer 24
-
$2,485 SGD
£1,530 GBP
View
Retailer 25
-
$2,991 SGD
$2,339 USD
View
Price last confirmed 43 days ago
Retailer 26
-
$2,991 SGD
$2,339 USD
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
b5fab7ff-644c-471b-a58e-db5ffb68893f · Oct 30
$2,991 SGD
$2,339 USD
View
26 more retailers have this diamond
Prices start from $797 SGDSave up to $2,195 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
$797 SGD