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Marquise|Natural|GIA

0.63ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1557757734

Certificate GIA 1557757734

Diamond specifications and retailer prices

From £347 GBP
SGD 629 SGD
As of October 31, 2026
Save £348 GBP (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £696 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.63ct natural marquise diamond

This 0.63ct natural marquise sits in the half to three-quarter 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 1557757734. Listed at 9 retailers as of October 31, 2026, with prices from £347 to £696, a £348 spread on the same certified stone. Frank Darling lists it at £696. 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

0.63
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1557757734
Dimensions8.52 × 4.46 × 2.82 mm
L/W Ratio1.91
Culet sizeNone
Top View
8.52 mm4.46 mm0.63 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557757734
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.1%

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: Oct 31
Current: £696 GBP|Low: £250 GBP|High: £761 GBP|Avg: £510 GBP|-8.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 10£275 GBP
Retailer 6£347 GBP
Retailer 8£375 GBP
Retailer 5£430 GBP
Retailer 7£463 GBP
Retailer 4£489 GBP
Retailer 3£519 GBP
Retailer 2£536 GBP
Retailer 9£570 GBP
Retailer 11£691 GBP
Frank Darling£696 GBP

22 data points across 11 retailers

9 retailers£347 GBP to £696 GBP

A
Cheapest Retailer
-
£347 GBP
SGD 629 SGD
A
Retailer 2
-
£375 GBP
SGD 679 SGD
View
A
Retailer 3
-
£430 GBP
View
A
Retailer 4
-
£463 GBP
$621 USD
View
A
Retailer 5
-
£489 GBP
$655 USD
View
A
Retailer 6
-
£519 GBP
$695 USD
View
A
Retailer 7
-
£536 GBP
€684 EUR
View
A
Retailer 8
-
£570 GBP
$764 USD
View
Most Expensive
B+
Frank Darling
2665116HK · Nov 2
£696 GBP
$932 USD
View
8 more retailers have this diamond
Prices start from £347 GBPSave up to £348 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
0.63ct Marquise
£347 GBP