Marquise|Natural|GIA

0.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2556324117

Certificate GIA 2556324117

Diamond specifications and retailer prices

From $492 USD
₹46,835 INR
As of October 29, 2026
Save $1,561 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,053 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556324117. Listed at 14 retailers as of October 27, 2026, with prices from $492 to $2,053, a $1,561 spread on the same certified stone. NZ Jewellers lists it at $2,053. 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

0.50
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556324117
Dimensions8.63 × 3.97 × 2.53 mm
L/W Ratio2.17
Key to symbols
Feather, Crystal
Top View
8.63 mm3.97 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556324117
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.9%

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 29
Current: $2,053 USD|Low: $467 USD|High: $2,071 USD|Avg: $858 USD|-0.9%
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
October 30, 2026
Retailer 6$492 USD
Retailer 12$550 USD
Retailer 3$604 USD
Retailer 8$655 USD
Retailer 7$680 USD
Retailer 13$687 USD
Retailer 11$755 USD
Retailer 2$806 USD
Retailer 4$821 USD
Retailer 10$840 USD
Retailer 5$1,001 USD
Retailer 9$1,520 USD
NZ Jewellers$2,053 USD

32 data points across 13 retailers

14 retailers$492 USD to $2,053 USD

A
Cheapest Retailer
-
$492 USD
₹46,835 INR
A
Retailer 2
-
$550 USD
HK$4,300 HKD
View
A
Retailer 3
-
$604 USD
View
Final sale: no returns
A
Retailer 4
-
$655 USD
View
A
Retailer 5
-
$680 USD
View
A
Retailer 6
-
$687 USD
SGD 929 SGD
View
A
Retailer 7
-
$755 USD
View
Retailer 8
-
$755 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$806 USD
£635 GBP
View
A
Retailer 10
-
$821 USD
View
B+
Retailer 11
-
$840 USD
View
Retailer 12
-
$1,001 USD
A$1,541 AUD
View
Price last confirmed 26 days ago
B
Retailer 13
-
$1,520 USD
£1,197 GBP
View
Most Expensive
B
NZ Jewellers
da51ac1f-fbd5-44a7-95dc-c185084874d6 · Oct 27
$2,053 USD
View
13 more retailers have this diamond
Prices start from $492 USDSave up to $1,561 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
0.50ct Marquise
$492 USD