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Round|Natural|GIA

0.51ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 2556959485

Certificate GIA 2556959485

Diamond specifications and retailer prices

From $640 USD
HK$5,000 HKD
As of October 29, 2026
Save $2,060 USD (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,700 USD 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2556959485. Listed at 25 retailers as of October 27, 2026, with prices from $640 to $2,700, a $2,060 spread on the same certified stone. NZ Jewellers lists it at $2,700. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556959485
Dimensions5.15 × 5.11 × 3.15 mm
L/W Ratio1.01
Top View
5.15 mm5.11 mm0.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556959485
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $2,700 USD|Low: $640 USD|High: $2,817 USD|Avg: $1,153 USD|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 22
Retailer 23
October 29, 2026
Retailer 10$640 USD
Retailer 13$649 USD
Retailer 14$684 USD
Retailer 12$794 USD
Retailer 11$861 USD
Retailer 3$872 USD
Retailer 7$894 USD
Retailer 9$901 USD
Retailer 22$988 USD
Retailer 21$993 USD
Retailer 8$994 USD
Retailer 2$997 USD
Retailer 6$1,016 USD
Retailer 19$1,025 USD
Retailer 17$1,092 USD
Retailer 20$1,124 USD
Retailer 15$1,144 USD
Retailer 5$1,145 USD
Retailer 16$1,223 USD
Retailer 23$1,326 USD
Retailer 18$1,585 USD
Retailer 4$1,722 USD
NZ Jewellers$2,700 USD

22 data points across 23 retailers

25 retailers$640 USD to $2,700 USD

A+
Cheapest Retailer
-
$640 USD
HK$5,000 HKD
A
Retailer 2
-
$649 USD
₹61,810 INR
View
A
Retailer 3
-
$684 USD
₹65,107 INR
View
A
Retailer 4
-
$794 USD
View
Final sale: no returns
A
Retailer 5
-
$830 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$861 USD
View
A
Retailer 7
-
$872 USD
View
A
Retailer 8
-
$894 USD
View
A
Retailer 9
-
$901 USD
SGD 1,218 SGD
View
A
Retailer 10
-
$988 USD
View
A
Retailer 11
-
$993 USD
View
A
Retailer 12
-
$994 USD
View
A
Retailer 13
-
$997 USD
£785 GBP
View
A
Retailer 14
-
$1,016 USD
£800 GBP
View
A
Retailer 15
-
$1,025 USD
View
A
Retailer 16
-
$1,092 USD
£860 GBP
View
B+
Retailer 17
-
$1,124 USD
€1,070 EUR
View
B+
Retailer 18
-
$1,144 USD
£901 GBP
View
B+
Retailer 19
-
$1,145 USD
View
B+
Retailer 20
-
$1,223 USD
View
B+
Retailer 21
-
$1,326 USD
ZAR 21,415 ZAR
View
B+
Retailer 22
-
$1,351 USD
A$2,078 AUD
View
Price last confirmed 24 days ago
B+
Retailer 23
-
$1,585 USD
£1,248 GBP
View
B
Retailer 24
-
$1,722 USD
£1,356 GBP
View
Most Expensive
B
NZ Jewellers
501d0825-0b80-48d8-9cbd-bf9d0a0253f7 · Oct 27
$2,700 USD
View
24 more retailers have this diamond
Prices start from $640 USDSave up to $2,060 USD

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
$640 USD