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Marquise|Natural|GIA

0.75ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2245009940

Certificate GIA 2245009940

Diamond specifications and retailer prices

From £725 GBP
As of November 4, 2026
Save £118 GBP (14%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £843 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.75ct natural marquise diamond

This 0.75ct natural marquise sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245009940. Listed at 4 retailers as of November 4, 2026, with prices from £725 to £843, a £118 spread on the same certified stone. 77 Diamonds lists it at £843. 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

0.75
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle38.48°
Pavilion angle37.71°
OriginNatural
Grading LabGIA
CertificateGIA 2245009940
Dimensions9.17 × 4.65 × 2.89 mm
L/W Ratio1.97
Culet sizeNone
Top View
9.17 mm4.65 mm0.75 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245009940
Side View
Table 56.0%Crown 38.48°Girdle: THK-VTKPavilion 37.71°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £843 GBP|Low: £422 GBP|High: £1,036 GBP|Avg: £793 GBP|+5.5%
77 Diamonds
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 5£422 GBP
Retailer 9£609 GBP
Retailer 10£662 GBP
Retailer 8£681 GBP
Retailer 12£696 GBP
Retailer 7£725 GBP
Retailer 6£790 GBP
Retailer 2£825 GBP
77 Diamonds£843 GBP
Retailer 14£893 GBP
Retailer 13£937 GBP
Retailer 11£981 GBP
Retailer 4£1,030 GBP
Retailer 3£1,036 GBP

34 data points across 14 retailers

4 retailers£725 GBP to £843 GBP

A
Cheapest Retailer
-
£725 GBP
B+
Retailer 2
-
£790 GBP
View
B+
Retailer 3
-
£825 GBP
View
Most Expensive
B+
77 Diamonds
MQZ6AKBEYZE · Nov 6
£843 GBP
View
3 more retailers have this diamond
Prices start from £725 GBPSave up to £118 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
0.75ct Marquise
£725 GBP