Marquise|Natural|GIA

0.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 1548875593

Certificate GIA 1548875593

Diamond specifications and retailer prices

From $516 USD
As of November 5, 2026
Save $1,548 USD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,064 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548875593. Listed at 17 retailers as of November 5, 2026, with prices from $516 to $2,064, a $1,548 spread on the same certified stone. NZ Jewellers lists it at $2,064. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1548875593
Dimensions9.03 × 3.97 × 2.55 mm
L/W Ratio2.27
Girdle conditionFaceted
Key to symbols
Crystal, Twinning Wisp, Feather
Top View
9.03 mm3.97 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1548875593
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.2%

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: $2,064 USD|Low: $516 USD|High: $2,064 USD|Avg: $851 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 11$516 USD
Retailer 8$550 USD
Retailer 4$607 USD
Retailer 7$658 USD
Retailer 16$658 USD
Retailer 6$683 USD
Retailer 17$683 USD
Retailer 9$687 USD
Retailer 15$759 USD
Retailer 2$781 USD
Retailer 3$794 USD
Retailer 10$803 USD
Retailer 14$824 USD
Retailer 5$941 USD
Retailer 13$961 USD
Retailer 12$1,517 USD
NZ Jewellers$2,064 USD

26 data points across 17 retailers

17 retailers$516 USD to $2,064 USD

A
Cheapest Retailer
-
$516 USD
A
Retailer 2
-
$550 USD
View
A
Retailer 3
-
$607 USD
View
Final sale: no returns
A
Retailer 4
-
$658 USD
View
Retailer 5
-
$658 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$683 USD
View
A
Retailer 7
-
$683 USD
View
A
Retailer 8
-
$687 USD
View
A
Retailer 9
-
$759 USD
View
A
Retailer 10
-
$781 USD
View
B+
Retailer 11
-
$794 USD
View
A
Retailer 12
-
$803 USD
View
Retailer 13
-
$824 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$941 USD
View
B+
Retailer 15
-
$961 USD
View
B
Retailer 16
-
$1,517 USD
View
Most Expensive
B
NZ Jewellers
67c3dd16-cd7b-49fa-a791-6fb67108466d · Nov 5
$2,064 USD
View
16 more retailers have this diamond
Prices start from $516 USDSave up to $1,548 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
$516 USD