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Round|Natural|GIA

0.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2434227964

Certificate GIA 2434227964

Diamond specifications and retailer prices

From $636 SGD
₹47,396 INR
As of October 31, 2026
Save $2,051 SGD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,687 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 2434227964. Listed at 22 retailers as of October 30, 2026, with prices from $636 to $2,687, a $2,051 spread on the same certified stone. NZ Jewellers lists it at $2,687. 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
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2434227964
Dimensions5.17 × 5.10 × 3.14 mm
L/W Ratio1.01
Top View
5.17 mm5.10 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2434227964
Side View
Table 59.0%Crown 32°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.0%

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: $636 SGD|Low: $543 SGD|High: $2,003 SGD|Avg: $1,060 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 1$636 SGD
Retailer 7$790 SGD
Retailer 5$857 SGD
Retailer 8$986 SGD
Retailer 6$1,023 SGD
Retailer 2$1,043 SGD
Retailer 3$1,150 SGD
Retailer 4$1,990 SGD

40 data points across 8 retailers

22 retailers$636 SGD to $2,687 SGD

A
Cheapest Retailer
-
$636 SGD
₹47,396 INR
A
Retailer 2
-
$790 SGD
$618 USD
View
Final sale: no returns
A
Retailer 3
-
$811 SGD
$634 USD
View
A
Retailer 4
-
$817 SGD
A$984 AUD
View
Retailer 5
-
$857 SGD
$670 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$857 SGD
$670 USD
View
Retailer 7
-
$857 SGD
$670 USD
View
Price last confirmed 14 days ago
Retailer 8
-
$857 SGD
$670 USD
View
Price last confirmed 16 days ago
Retailer 9
-
$890 SGD
$696 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$986 SGD
$771 USD
View
Retailer 11
-
$989 SGD
$774 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
$989 SGD
$774 USD
View
B+
Retailer 13
-
$1,023 SGD
£630 GBP
View
B+
Retailer 14
-
$1,026 SGD
$803 USD
View
Retailer 15
-
$1,043 SGD
$816 USD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$1,043 SGD
£642 GBP
View
B+
Retailer 17
-
$1,150 SGD
€857 EUR
View
B
Retailer 18
-
$1,990 SGD
£1,226 GBP
View
B
Retailer 19
-
$2,208 SGD
£1,360 GBP
View
Retailer 20
-
$2,687 SGD
$2,102 USD
View
Price last confirmed 38 days ago
Retailer 21
-
$2,687 SGD
$2,102 USD
View
Price last confirmed 15 days ago
Most Expensive
B
NZ Jewellers
62d3ab6d-d18d-4318-8764-b2d563bf4ca8 · Oct 30
$2,687 SGD
$2,102 USD
View
21 more retailers have this diamond
Prices start from $636 SGDSave up to $2,051 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
$636 SGD