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Round|Natural|GIA

0.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6561006555

Certificate GIA 6561006555

Diamond specifications and retailer prices

From $585 SGD
₹43,558 INR
As of October 30, 2026
Save $1,857 SGD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,442 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 6561006555. Listed at 17 retailers as of October 30, 2026, with prices from $585 to $2,442, a $1,857 spread on the same certified stone. NZ Jewellers lists it at $2,442. 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 angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561006555
Dimensions5.23 × 5.25 × 3.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Knot
Top View
5.23 mm5.25 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561006555
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 59.9%

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 30
Current: $2,442 SGD|Low: $583 SGD|High: $2,442 SGD|Avg: $989 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
Retailer 16
October 31, 2026
Retailer 10$585 SGD
Retailer 8$741 SGD
Retailer 7$745 SGD
Retailer 15$779 SGD
Retailer 4$819 SGD
Retailer 5$839 SGD
Retailer 16$839 SGD
Retailer 13$899 SGD
Retailer 11$927 SGD
Retailer 3$947 SGD
Retailer 2$952 SGD
Retailer 14$986 SGD
Retailer 6$1,090 SGD
Retailer 9$1,150 SGD
Retailer 12$1,807 SGD
NZ Jewellers$2,442 SGD

26 data points across 16 retailers

17 retailers$585 SGD to $2,442 SGD

A
Cheapest Retailer
-
$585 SGD
₹43,558 INR
A
Retailer 2
-
$671 SGD
HK$4,100 HKD
View
Retailer 3
-
$741 SGD
$580 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$745 SGD
$583 USD
View
Final sale: no returns
A
Retailer 5
-
$779 SGD
$609 USD
View
A
Retailer 6
-
$819 SGD
View
A
Retailer 7
-
$839 SGD
$656 USD
View
A
Retailer 8
-
$839 SGD
$656 USD
View
A
Retailer 9
-
$899 SGD
$703 USD
View
A
Retailer 10
-
$927 SGD
£571 GBP
View
A
Retailer 11
-
$947 SGD
$741 USD
View
B+
Retailer 12
-
$952 SGD
£586 GBP
View
A
Retailer 13
-
$986 SGD
$771 USD
View
B+
Retailer 14
-
$1,090 SGD
$853 USD
View
B+
Retailer 15
-
$1,150 SGD
€857 EUR
View
B
Retailer 16
-
$1,807 SGD
£1,113 GBP
View
Most Expensive
B
NZ Jewellers
ac9eb9ba-5bb5-446c-8587-a0778a723d00 · Oct 30
$2,442 SGD
$1,910 USD
View
16 more retailers have this diamond
Prices start from $585 SGDSave up to $1,857 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
$585 SGD