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Marquise|Natural|GIA

0.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6565610229

Certificate GIA 6565610229

Diamond specifications and retailer prices

From $659 SGD
As of November 4, 2026
Save $2,129 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,788 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565610229. Listed at 16 retailers as of November 4, 2026, with prices from $659 to $2,788, a $2,129 spread on the same certified stone. NZ Jewellers lists it at $2,788. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565610229
Dimensions8.47 × 4.12 × 2.46 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
8.47 mm4.12 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565610229
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.6%

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: Nov 4
Current: $2,788 SGD|Low: $659 SGD|High: $2,788 SGD|Avg: $1,170 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
November 6, 2026
Retailer 9$659 SGD
Retailer 6$820 SGD
Retailer 5$842 SGD
Retailer 4$889 SGD
Retailer 13$889 SGD
Retailer 12$894 SGD
Retailer 11$923 SGD
Retailer 7$1,010 SGD
Retailer 14$1,026 SGD
Retailer 2$1,055 SGD
Retailer 3$1,058 SGD
Retailer 8$1,087 SGD
Retailer 15$1,263 SGD
Retailer 10$2,050 SGD
NZ Jewellers$2,788 SGD

14 data points across 15 retailers

16 retailers$659 SGD to $2,788 SGD

A
Cheapest Retailer
-
$659 SGD
A
Retailer 2
-
$820 SGD
View
Final sale: no returns
A
Retailer 3
-
$842 SGD
View
A
Retailer 4
-
$842 SGD
View
Retailer 5
-
$889 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$889 SGD
View
A
Retailer 7
-
$894 SGD
View
A
Retailer 8
-
$923 SGD
View
B+
Retailer 9
-
$1,010 SGD
View
B+
Retailer 10
-
$1,026 SGD
View
A
Retailer 11
-
$1,055 SGD
View
B+
Retailer 12
-
$1,058 SGD
View
B+
Retailer 13
-
$1,087 SGD
View
B+
Retailer 14
-
$1,263 SGD
View
B
Retailer 15
-
$2,050 SGD
View
Most Expensive
B
NZ Jewellers
56f5410c-3514-4df9-94bd-58e857d0a308 · Nov 5
$2,788 SGD
$2,183 USD
View
15 more retailers have this diamond
Prices start from $659 SGDSave up to $2,129 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 Marquise
$659 SGD