Marquise|Natural|GIA

0.70ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 5553492443

Certificate GIA 5553492443

Diamond specifications and retailer prices

From £359 GBP
SGD 650 SGD
As of October 31, 2026
Save £352 GBP (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £711 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded J 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 5553492443. Listed at 7 retailers as of October 31, 2026, with prices from £359 to £711, a £352 spread on the same certified stone. Frank Darling lists it at £711. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553492443
Dimensions8.71 × 4.62 × 2.90 mm
L/W Ratio1.89
Culet sizeNone
Top View
8.71 mm4.62 mm0.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553492443
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.8%

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: £711 GBP|Low: £293 GBP|High: £759 GBP|Avg: £532 GBP|-6.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£293 GBP
Retailer 4£359 GBP
Retailer 6£393 GBP
Retailer 5£510 GBP
Retailer 9£549 GBP
Retailer 2£558 GBP
Retailer 3£599 GBP
Frank Darling£711 GBP
Retailer 7£730 GBP

20 data points across 9 retailers

7 retailers£359 GBP to £711 GBP

A
Cheapest Retailer
-
£359 GBP
SGD 650 SGD
A
Retailer 2
-
£393 GBP
SGD 711 SGD
View
A
Retailer 3
-
£510 GBP
$683 USD
View
B+
Retailer 4
-
£549 GBP
$735 USD
View
A
Retailer 5
-
£558 GBP
€712 EUR
View
B+
Retailer 6
-
£599 GBP
$802 USD
View
Most Expensive
B+
Frank Darling
2652599HK · Nov 2
£711 GBP
$953 USD
View
6 more retailers have this diamond
Prices start from £359 GBPSave up to £352 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
£359 GBP