Marquise|Natural|GIA

1.26ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1152904873

Certificate GIA 1152904873

Diamond specifications and retailer prices

From $9,272 USD
As of November 6, 2026
Save $4,071 USD (31%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $13,343 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.26ct natural marquise diamond

This 1.26ct natural marquise sits in the one-and-a-quarter to one-and-a-half 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 1152904873. Listed at 5 retailers as of November 4, 2026, with prices from $9,272 to $13,343, a $4,071 spread on the same certified stone. MOH London lists it at $13,343. 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

1.26
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1152904873
Dimensions9.74 × 5.99 × 3.60 mm
L/W Ratio1.63
Girdle conditionFaceted
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Top View
9.74 mm5.99 mm1.26 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1152904873
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCuletDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $13,343 USD|Low: $9,271 USD|High: $13,539 USD|Avg: $10,882 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3$9,272 USD
Retailer 5$9,406 USD
Retailer 2$9,922 USD
Retailer 4$10,790 USD
MOH London$13,343 USD

45 data points across 5 retailers

5 retailers$9,272 USD to $13,343 USD

B+
Cheapest Retailer
-
$9,272 USD
Retailer 2
-
$9,406 USD
View
Price last confirmed 14 days ago
B
Retailer 3
-
$9,922 USD
View
B
Retailer 4
-
$10,790 USD
View
Most Expensive
B
MOH London
F1197F22D · Nov 4
$13,343 USD
£10,506 GBP
View
4 more retailers have this diamond
Prices start from $9,272 USDSave up to $4,071 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.

B+
1.26ct Marquise
$9,272 USD