Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

VG • D/SI1 • GIA 1549866307

Certificate GIA 1549866307

Diamond specifications and retailer prices

From £8,436 GBP
As of November 4, 2026
Save £6,717 GBP (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £15,154 GBP at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1549866307. Listed at 18 retailers as of November 4, 2026, with prices from £8,436 to £15,154, a £6,717 spread on the same certified stone. NZ Jewellers lists it at £15,154. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549866307
Dimensions10.77 × 5.83 × 3.82 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
10.77 mm5.83 mm1.50 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549866307
Side View
Table 61.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £10,117 GBP|Low: £8,436 GBP|High: £14,371 GBP|Avg: £10,604 GBP|-1.8%
Retailer 1
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
November 6, 2026
Retailer 14£8,436 GBP
Retailer 13£8,713 GBP
Retailer 2£9,168 GBP
Retailer 7£9,605 GBP
Retailer 6£9,698 GBP
Retailer 11£9,898 GBP
Retailer 3£10,018 GBP
Retailer 1£10,117 GBP
Retailer 4£10,489 GBP
Retailer 12£10,489 GBP
Retailer 5£10,841 GBP
Retailer 9£11,408 GBP
Retailer 8£13,265 GBP
Retailer 10£14,200 GBP

40 data points across 14 retailers

18 retailers£8,436 GBP to £15,154 GBP

B+
Cheapest Retailer
-
£8,436 GBP
B+
Retailer 2
-
£8,713 GBP
View
Final sale: no returns
Retailer 3
-
£9,092 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£9,168 GBP
View
B
Retailer 5
-
£9,605 GBP
View
B
Retailer 6
-
£9,698 GBP
View
Retailer 7
-
£9,898 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£10,018 GBP
View
B+
Retailer 9
-
£10,117 GBP
View
B
Retailer 10
-
£10,229 GBP
View
B
Retailer 11
-
£10,489 GBP
View
B
Retailer 12
-
£10,489 GBP
View
B
Retailer 13
-
£10,841 GBP
View
B
Retailer 14
-
£11,103 GBP
View
B
Retailer 15
-
£11,408 GBP
View
B
Retailer 16
-
£13,265 GBP
View
B
Retailer 17
-
£14,200 GBP
View
Most Expensive
B
NZ Jewellers
aa0b1efa-cd04-4287-b38c-7e00cc0aa917 · Nov 5
£15,154 GBP
$20,283 USD
View
17 more retailers have this diamond
Prices start from £8,436 GBPSave up to £6,717 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.

B+
1.50ct Marquise
£8,436 GBP