CaratHunter
Plans
Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2544187007

Certificate GIA 2544187007

Diamond specifications and retailer prices

From £6,947 GBP
$9,251 USD
As of October 28, 2026
Save £5,531 GBP (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £12,478 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 2544187007. Listed at 18 retailers as of October 27, 2026, with prices from £6,947 to £12,478, a £5,531 spread on the same certified stone. NZ Jewellers lists it at £12,478. 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
SymmetryExcellent
FluorescenceNone
Crown angle39.82°
Pavilion angle41.19°
OriginNatural
Grading LabGIA
CertificateGIA 2544187007
Dimensions11.30 × 5.87 × 3.78 mm
L/W Ratio1.93
Top View
11.30 mm5.87 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544187007
Side View
Table 61.0%Crown 39.82°Girdle: STK-THKPavilion 41.19°Culet: NoneDepth 64.5%

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: £8,200 GBP|Low: £6,863 GBP|High: £11,833 GBP|Avg: £8,878 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£6,947 GBP
Retailer 7£7,487 GBP
Retailer 8£7,487 GBP
Retailer 1£8,200 GBP
Retailer 11£8,344 GBP
Retailer 3£8,778 GBP
Retailer 6£9,112 GBP
Retailer 5£9,418 GBP
Retailer 9£9,851 GBP
Retailer 10£10,673 GBP
Retailer 4£11,755 GBP

41 data points across 11 retailers

18 retailers£6,947 GBP to £12,478 GBP

A
Cheapest Retailer
-
£6,947 GBP
$9,251 USD
A
Retailer 2
-
£7,023 GBP
A$14,389 AUD
View
B+
Retailer 3
-
£7,487 GBP
$9,970 USD
View
B+
Retailer 4
-
£7,487 GBP
$9,970 USD
View
Final sale: no returns
B+
Retailer 5
-
£7,549 GBP
$10,053 USD
View
B+
Retailer 6
-
£8,111 GBP
$10,801 USD
View
B+
Retailer 7
-
£8,200 GBP
View
B+
Retailer 8
-
£8,235 GBP
$10,967 USD
View
B+
Retailer 9
-
£8,344 GBP
$11,111 USD
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
-
£9,112 GBP
$12,135 USD
View
B
Retailer 14
-
£9,359 GBP
$12,463 USD
View
B+
Retailer 15
-
£9,418 GBP
€11,945 EUR
View
Retailer 16
-
£9,851 GBP
$13,119 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£11,755 GBP
View
Most Expensive
B
NZ Jewellers
eddf0df7-2478-4eae-9c55-a9d4d0e9650c · Oct 27
£12,478 GBP
$16,617 USD
View
17 more retailers have this diamond
Prices start from £6,947 GBPSave up to £5,531 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
£6,947 GBP