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Marquise|Natural|GIA

1.02ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6355487749

Certificate GIA 6355487749

Diamond specifications and retailer prices

From £1,157 GBP
As of October 31, 2026
Save £741 GBP (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,898 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-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 6355487749. Listed at 3 retailers as of October 31, 2026, with prices from £1,157 to £1,898, a £741 spread on the same certified stone. 77 Diamonds lists it at £1,898. 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

1.02
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6355487749
Dimensions9.90 × 5.33 × 3.32 mm
L/W Ratio1.86
Top View
9.90 mm5.33 mm1.02 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6355487749
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,898 GBP|Low: £1,154 GBP|High: £1,920 GBP|Avg: £1,509 GBP|+1.3%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 2£1,157 GBP
Retailer 3£1,450 GBP
77 Diamonds£1,898 GBP

44 data points across 3 retailers

3 retailers£1,157 GBP to £1,898 GBP

A
Cheapest Retailer
-
£1,157 GBP
B+
Retailer 2
-
£1,450 GBP
View
Most Expensive
B
77 Diamonds
MQTVSQR3CYBTR · Nov 5
£1,898 GBP
View
2 more retailers have this diamond
Prices start from £1,157 GBPSave up to £741 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
1.02ct Marquise
£1,157 GBP