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Marquise|Natural|GIA

0.30ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1523004915

Certificate GIA 1523004915

Diamond specifications and retailer prices

From £143 GBP
₹18,233 INR
As of November 1, 2026
Save £206 GBP (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £349 GBP at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-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 1523004915. Listed at 3 retailers as of October 31, 2026, with prices from £143 to £349, a £206 spread on the same certified stone. 77 Diamonds lists it at £349. 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

0.30
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1523004915
Dimensions6.24 × 3.62 × 2.21 mm
L/W Ratio1.72
Top View
6.24 mm3.62 mm0.30 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 1523004915
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.0%

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: Nov 1
Current: £349 GBP|Low: £143 GBP|High: £350 GBP|Avg: £271 GBP|+2.2%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£143 GBP
Retailer 3£325 GBP
77 Diamonds£349 GBP

43 data points across 3 retailers

3 retailers£143 GBP to £349 GBP

A
Cheapest Retailer
-
£143 GBP
₹18,233 INR
B
Retailer 2
-
£325 GBP
$436 USD
View
Most Expensive
B
77 Diamonds
MQCPGZVYTB3B · Oct 31
£349 GBP
View
2 more retailers have this diamond
Prices start from £143 GBPSave up to £206 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
0.30ct Marquise
£143 GBP