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Marquise|Natural|GIA

0.70ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5453758326

Certificate GIA 5453758326

Diamond specifications and retailer prices

From £354 GBP
As of November 6, 2026
Save £362 GBP (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £716 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5453758326. Listed at 3 retailers as of November 6, 2026, with prices from £354 to £716, a £362 spread on the same certified stone. 77 Diamonds lists it at £716. 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

0.70
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5453758326
Dimensions8.85 × 4.49 × 2.91 mm
L/W Ratio1.97
Top View
8.85 mm4.49 mm0.70 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5453758326
Side View
Table 56.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £716 GBP|Low: £354 GBP|High: £724 GBP|Avg: £556 GBP|+1.2%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£354 GBP
Retailer 3£586 GBP
77 Diamonds£716 GBP

44 data points across 3 retailers

3 retailers£354 GBP to £716 GBP

A
Cheapest Retailer
-
£354 GBP
B+
Retailer 2
-
£586 GBP
View
Most Expensive
B
77 Diamonds
MQCP8AJMB6MB · Nov 6
£716 GBP
View
2 more retailers have this diamond
Prices start from £354 GBPSave up to £362 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
0.70ct Marquise
£354 GBP