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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7552026425

Certificate GIA 7552026425

Diamond specifications and retailer prices

From £6,948 GBP
$9,253 USD
As of October 28, 2026
Save £5,533 GBP (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £12,481 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two 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 7552026425. Listed at 17 retailers as of October 27, 2026, with prices from £6,948 to £12,481, a £5,533 spread on the same certified stone. NZ Jewellers lists it at £12,481. 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

1.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7552026425
Dimensions11.63 × 5.91 × 3.56 mm
L/W Ratio1.97
Key to symbols
Feather
Top View
11.63 mm5.91 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7552026425
Side View
Table 53.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 60.3%

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: £12,481 GBP|Low: £6,906 GBP|High: £12,481 GBP|Avg: £9,053 GBP
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 11£6,948 GBP
Retailer 3£7,005 GBP
Retailer 15£7,488 GBP
Retailer 12£7,551 GBP
Retailer 5£8,112 GBP
Retailer 2£8,202 GBP
Retailer 13£8,238 GBP
Retailer 14£8,317 GBP
Retailer 8£8,487 GBP
Retailer 4£9,360 GBP
Retailer 10£9,422 GBP
Retailer 6£9,853 GBP
Retailer 7£10,756 GBP
Retailer 9£11,758 GBP
NZ Jewellers£12,481 GBP

38 data points across 15 retailers

17 retailers£6,948 GBP to £12,481 GBP

A
Cheapest Retailer
-
£6,948 GBP
$9,253 USD
A
Retailer 2
-
£7,005 GBP
$9,328 USD
View
B+
Retailer 3
-
£7,488 GBP
$9,972 USD
View
B+
Retailer 4
-
£7,551 GBP
$10,055 USD
View
B+
Retailer 5
-
£8,112 GBP
$10,803 USD
View
B+
Retailer 6
-
£8,202 GBP
View
B+
Retailer 7
-
£8,238 GBP
$10,970 USD
View
B+
Retailer 8
-
£8,317 GBP
$11,076 USD
View
B+
Retailer 9
-
£8,487 GBP
View
B+
Retailer 10
-
£8,778 GBP
$11,690 USD
View
B+
Retailer 11
-
£8,778 GBP
$11,690 USD
View
B+
Retailer 12
-
£9,071 GBP
$12,080 USD
View
B
Retailer 13
-
£9,360 GBP
$12,465 USD
View
B
Retailer 14
-
£9,422 GBP
€11,949 EUR
View
Retailer 15
-
£9,853 GBP
$13,121 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
£11,758 GBP
View
Most Expensive
B
NZ Jewellers
361bbd9a-62ab-4861-83d0-be2e971d2784 · Oct 27
£12,481 GBP
$16,621 USD
View
16 more retailers have this diamond
Prices start from £6,948 GBPSave up to £5,533 GBP

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
1.50ct Marquise
£6,948 GBP