CaratHunter
Plans
Marquise|Natural|GIA

1.20ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 2567364415

Certificate GIA 2567364415

Diamond specifications and retailer prices

From £2,395 GBP
As of November 6, 2026
Save £3,205 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,600 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567364415. Listed at 18 retailers as of November 5, 2026, with prices from £2,395 to £5,600, a £3,205 spread on the same certified stone. NZ Jewellers lists it at £5,600. 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

1.20
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2567364415
Dimensions10.93 × 5.73 × 3.28 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle, Natural
Top View
10.93 mm5.73 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2567364415
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.3%

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: Nov 6
Current: £5,600 GBP|Low: £2,395 GBP|High: £5,745 GBP|Avg: £3,390 GBP|-2.5%
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2£2,395 GBP
Retailer 16£2,557 GBP
Retailer 8£2,666 GBP
Retailer 14£2,829 GBP
Retailer 7£2,976 GBP
Retailer 11£3,161 GBP
Retailer 4£3,215 GBP
Retailer 18£3,215 GBP
Retailer 10£3,242 GBP
Retailer 13£3,256 GBP
Retailer 6£3,265 GBP
Retailer 9£3,397 GBP
Retailer 17£3,399 GBP
Retailer 3£3,400 GBP
Retailer 12£3,411 GBP
Retailer 5£3,709 GBP
Retailer 15£5,106 GBP
NZ Jewellers£5,600 GBP

16 data points across 18 retailers

18 retailers£2,395 GBP to £5,600 GBP

A
Cheapest Retailer
-
£2,395 GBP
B+
Retailer 2
-
£2,557 GBP
View
Final sale: no returns
B+
Retailer 3
-
£2,666 GBP
View
B+
Retailer 4
-
£2,829 GBP
View
B+
Retailer 5
-
£2,976 GBP
View
B
Retailer 6
-
£3,161 GBP
View
B+
Retailer 7
-
£3,215 GBP
View
B+
Retailer 8
-
£3,215 GBP
View
Retailer 9
-
£3,242 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£3,256 GBP
View
B+
Retailer 11
-
£3,265 GBP
View
B
Retailer 12
-
£3,397 GBP
View
B+
Retailer 13
-
£3,399 GBP
View
B
Retailer 14
-
£3,400 GBP
View
B
Retailer 15
-
£3,411 GBP
View
B
Retailer 16
-
£3,709 GBP
View
B
Retailer 17
-
£5,106 GBP
View
Most Expensive
B
NZ Jewellers
cceff9af-49de-41ca-83a9-a8c2041e4e42 · Nov 5
£5,600 GBP
$7,496 USD
View
17 more retailers have this diamond
Prices start from £2,395 GBPSave up to £3,205 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
1.20ct Marquise
£2,395 GBP