Marquise|Natural|GIA

0.51ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 2544730685

Certificate GIA 2544730685

Diamond specifications and retailer prices

From $579 USD
As of November 5, 2026
Save $1,809 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,388 USD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544730685. Listed at 13 retailers as of November 5, 2026, with prices from $579 to $2,388, a $1,809 spread on the same certified stone. NZ Jewellers lists it at $2,388. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544730685
Dimensions8.39 × 4.15 × 2.57 mm
L/W Ratio2.02
Top View
8.39 mm4.15 mm0.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544730685
Side View
Table 59.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.9%

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: Nov 5
Current: $2,388 USD|Low: $579 USD|High: $2,388 USD|Avg: $972 USD
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
November 6, 2026
Retailer 6$579 USD
Retailer 5$693 USD
Retailer 11$702 USD
Retailer 12$762 USD
Retailer 7$781 USD
Retailer 3$788 USD
Retailer 10$791 USD
Retailer 13$865 USD
Retailer 4$879 USD
Retailer 2$909 USD
Retailer 9$1,076 USD
Retailer 8$1,393 USD
NZ Jewellers$2,388 USD

33 data points across 13 retailers

13 retailers$579 USD to $2,388 USD

A
Cheapest Retailer
-
$579 USD
A
Retailer 2
-
$693 USD
View
A
Retailer 3
-
$702 USD
View
Final sale: no returns
A
Retailer 4
-
$762 USD
View
A
Retailer 5
-
$781 USD
View
A
Retailer 6
-
$788 USD
View
A
Retailer 7
-
$791 USD
View
B+
Retailer 8
-
$865 USD
View
B+
Retailer 9
-
$879 USD
View
B+
Retailer 10
-
$909 USD
View
B+
Retailer 11
-
$1,076 USD
View
B
Retailer 12
-
$1,393 USD
View
Most Expensive
B
NZ Jewellers
891262ae-d934-4997-a518-e966a78ffeb0 · Nov 5
$2,388 USD
View
12 more retailers have this diamond
Prices start from $579 USDSave up to $1,809 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 Marquise
$579 USD