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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7551216145

Certificate GIA 7551216145

Diamond specifications and retailer prices

From $2,299 USD
As of October 28, 2026
Save $3,022 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,321 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-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 7551216145. Listed at 15 retailers as of October 27, 2026, with prices from $2,299 to $5,321, a $3,022 spread on the same certified stone. NZ Jewellers lists it at $5,321. 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

1.00
Carat
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551216145
Dimensions10.46 × 5.15 × 3.15 mm
L/W Ratio2.03
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
10.46 mm5.15 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551216145
Side View
Table 61.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 61.3%

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 28
Current: $5,321 USD|Low: $2,153 USD|High: $5,321 USD|Avg: $2,943 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
October 29, 2026
Retailer 13$2,299 USD
Retailer 12$2,348 USD
Retailer 15$2,377 USD
Retailer 11$2,520 USD
Retailer 8$2,531 USD
Retailer 3$2,545 USD
Retailer 4$2,545 USD
Retailer 7$2,634 USD
Retailer 5$2,663 USD
Retailer 6$2,681 USD
Retailer 2$2,712 USD
Retailer 14$2,937 USD
Retailer 9$3,174 USD
Retailer 10$4,483 USD
NZ Jewellers$5,321 USD

33 data points across 15 retailers

15 retailers$2,299 USD to $5,321 USD

A
Cheapest Retailer
-
$2,299 USD
A
Retailer 2
-
$2,348 USD
View
Final sale: no returns
A
Retailer 3
-
$2,377 USD
View
A
Retailer 4
-
$2,520 USD
View
A
Retailer 5
-
$2,531 USD
£1,993 GBP
View
A
Retailer 6
-
$2,545 USD
View
A
Retailer 7
-
$2,545 USD
View
A
Retailer 8
-
$2,634 USD
SGD 3,559 SGD
View
A
Retailer 9
-
$2,663 USD
View
A
Retailer 10
-
$2,681 USD
View
A
Retailer 11
-
$2,712 USD
£2,135 GBP
View
A
Retailer 12
-
$2,937 USD
View
A
Retailer 13
-
$3,174 USD
€3,023 EUR
View
B
Retailer 14
-
$4,483 USD
£3,530 GBP
View
Most Expensive
B
NZ Jewellers
861c4a32-fc9b-4e26-83d9-01959bbceb4a · Oct 27
$5,321 USD
View
14 more retailers have this diamond
Prices start from $2,299 USDSave up to $3,022 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
1.00ct Marquise
$2,299 USD