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Marquise|Natural|GIA

0.30ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1565113692

Certificate GIA 1565113692

Diamond specifications and retailer prices

From £252 GBP
SGD 457 SGD
As of October 31, 2026
Save £185 GBP (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £437 GBP at Yorxs · As of October 31, 2026
View at Yorxs

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565113692. Listed at 8 retailers as of October 31, 2026, with prices from £252 to £437, a £185 spread on the same certified stone. Yorxs lists it at £437. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
OriginNatural
Grading LabGIA
CertificateGIA 1565113692
Dimensions6.38 × 3.51 × 2.22 mm
L/W Ratio1.82
Culet sizeNone
Key to symbols
Feather
Top View
6.38 mm3.51 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565113692
Side View
Table 61.0%Crown 34°Girdle: THK-VTKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £298 GBP|Low: £248 GBP|High: £911 GBP|Avg: £392 GBP|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 2, 2026
Retailer 8£250 GBP
Retailer 6£252 GBP
Retailer 1£298 GBP
Retailer 4£318 GBP
Retailer 5£340 GBP
Retailer 3£360 GBP
Retailer 7£375 GBP
Yorxs£437 GBP
Retailer 2£890 GBP

45 data points across 9 retailers

8 retailers£252 GBP to £437 GBP

B+
Cheapest Retailer
-
£252 GBP
SGD 457 SGD
B+
Retailer 2
-
£298 GBP
View
B
Retailer 3
-
£318 GBP
View
B
Retailer 4
-
£340 GBP
$456 USD
View
B
Retailer 5
-
£360 GBP
ZAR 7,788 ZAR
View
Retailer 6
-
£375 GBP
A$772 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Yorxs
37B850CD6 · Oct 31
£437 GBP
€558 EUR
View
6 more retailers have this diamond
Prices start from £252 GBPSave up to £185 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.

B+
0.30ct Marquise
£252 GBP