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Round|Natural|GIA

0.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6391932684

Certificate GIA 6391932684

Diamond specifications and retailer prices

From $567 SGD
₹42,258 INR
As of November 1, 2026
Save $1,917 SGD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,484 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 6391932684. Listed at 18 retailers as of October 30, 2026, with prices from $567 to $2,484, a $1,917 spread on the same certified stone. NZ Jewellers lists it at $2,484. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6391932684
Dimensions5.16 × 5.12 × 3.10 mm
L/W Ratio1.01
Top View
5.16 mm5.12 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6391932684
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

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 1
Current: $567 SGD|Low: $483 SGD|High: $1,851 SGD|Avg: $979 SGD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 1$567 SGD
Retailer 7$730 SGD
Retailer 2$805 SGD
Retailer 8$853 SGD
Retailer 4$961 SGD
Retailer 5$982 SGD
Retailer 6$1,031 SGD
Retailer 3$1,830 SGD

40 data points across 8 retailers

18 retailers$567 SGD to $2,484 SGD

A
Cheapest Retailer
-
$567 SGD
₹42,258 INR
A
Retailer 2
-
$655 SGD
HK$4,000 HKD
View
A
Retailer 3
-
$730 SGD
$571 USD
View
Final sale: no returns
A
Retailer 4
-
$749 SGD
$586 USD
View
A
Retailer 5
-
$793 SGD
$620 USD
View
A
Retailer 6
-
$805 SGD
$630 USD
View
A
Retailer 7
-
$811 SGD
View
A
Retailer 8
-
$853 SGD
$667 USD
View
A
Retailer 9
-
$853 SGD
$667 USD
View
A
Retailer 10
-
$914 SGD
$715 USD
View
B+
Retailer 11
-
$961 SGD
$751 USD
View
B+
Retailer 12
-
$961 SGD
£592 GBP
View
B+
Retailer 13
-
$982 SGD
$768 USD
View
B+
Retailer 14
-
$1,031 SGD
€768 EUR
View
B
Retailer 15
-
$1,309 SGD
$1,024 USD
View
B
Retailer 16
-
$1,830 SGD
£1,127 GBP
View
B
Retailer 17
-
$1,870 SGD
£1,152 GBP
View
Most Expensive
B
NZ Jewellers
863a9728-ec32-42a2-85dd-32d29fdbd8ef · Oct 30
$2,484 SGD
$1,943 USD
View
17 more retailers have this diamond
Prices start from $567 SGDSave up to $1,917 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
$567 SGD