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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1548830127

Certificate GIA 1548830127

Diamond specifications and retailer prices

From £5,844 GBP
$7,783 USD
As of October 29, 2026
Save £6,696 GBP (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £12,541 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 1548830127. Listed at 17 retailers as of October 27, 2026, with prices from £5,844 to £12,541, a £6,696 spread on the same certified stone. NZ Jewellers lists it at £12,541. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1548830127
Dimensions12.89 × 5.44 × 3.53 mm
L/W Ratio2.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
12.89 mm5.44 mm1.50 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1548830127
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.9%

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 29
Current: £12,541 GBP|Low: £5,844 GBP|High: £12,625 GBP|Avg: £7,774 GBP|-0.7%
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 6£5,844 GBP
Retailer 5£6,270 GBP
Retailer 8£6,270 GBP
Retailer 4£6,353 GBP
Retailer 15£6,683 GBP
Retailer 10£6,793 GBP
Retailer 2£6,816 GBP
Retailer 9£6,897 GBP
Retailer 11£7,106 GBP
Retailer 7£7,838 GBP
Retailer 13£8,181 GBP
Retailer 3£8,253 GBP
Retailer 14£9,699 GBP
Retailer 12£10,506 GBP
NZ Jewellers£12,541 GBP

28 data points across 15 retailers

17 retailers£5,844 GBP to £12,541 GBP

A
Cheapest Retailer
-
£5,844 GBP
$7,783 USD
A
Retailer 2
-
£6,270 GBP
$8,350 USD
View
A
Retailer 3
-
£6,270 GBP
$8,350 USD
View
Final sale: no returns
Retailer 4
-
£6,312 GBP
$8,406 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£6,353 GBP
$8,460 USD
View
A
Retailer 6
-
£6,683 GBP
$8,900 USD
View
A
Retailer 7
-
£6,793 GBP
$9,046 USD
View
A
Retailer 8
-
£6,816 GBP
View
A
Retailer 9
-
£6,897 GBP
$9,185 USD
View
A
Retailer 10
-
£7,106 GBP
View
B+
Retailer 11
-
£7,119 GBP
$9,480 USD
View
B+
Retailer 12
-
£7,838 GBP
$10,438 USD
View
B+
Retailer 13
-
£8,181 GBP
€10,376 EUR
View
B+
Retailer 14
-
£8,253 GBP
$10,991 USD
View
B
Retailer 15
-
£9,699 GBP
View
B
Retailer 16
-
£10,506 GBP
View
Most Expensive
B
NZ Jewellers
2be15730-a2fe-4a04-82d0-040361fdc254 · Oct 27
£12,541 GBP
$16,700 USD
View
16 more retailers have this diamond
Prices start from £5,844 GBPSave up to £6,696 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
£5,844 GBP