Marquise|Natural|GIA

1.26ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7551772680

Certificate GIA 7551772680

Diamond specifications and retailer prices

From $3,480 USD
As of October 14, 2026
4 retailers carry this diamond
Most expensive: $7,089 USD at MOH London · As of October 15, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551772680. Listed at 4 retailers as of October 14, 2026. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551772680
Dimensions11.77 × 5.38 × 3.17 mm
L/W Ratio2.19
Girdle conditionFaceted
Culet sizeNone
Top View
11.77 mm5.38 mm1.26 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551772680
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.9%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 14
Current: $7,089 USD|Low: $3,480 USD|High: $7,099 USD|Avg: $4,665 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 27, 2026
Retailer 6$3,480 USD
Retailer 9$3,541 USD
Retailer 5$4,283 USD
Retailer 4$4,540 USD
Retailer 7$4,540 USD
Retailer 8$4,690 USD
Retailer 3$4,722 USD
Retailer 2$5,071 USD
MOH London$7,089 USD

24 data points across 9 retailers

4 retailers$3,480 USD to $7,089 USD

Retailer 1
-
$3,480 USD
Price last confirmed 19 days ago
Retailer 2
-
$4,722 USD
€4,497 EUR
View
Price last confirmed 7 days ago
Retailer 3
-
$5,071 USD
£3,993 GBP
View
Price last confirmed 7 days ago
Most Expensive
MOH London
9C7AD8612 · Oct 15
$7,089 USD
£5,582 GBP
View
Price last confirmed 19 days ago
3 more retailers have this diamond

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.

1.26ct Marquise
$3,480 USD