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Marquise|Natural|GIA

0.30ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1565302529

Certificate GIA 1565302529

Diamond specifications and retailer prices

From £189 GBP
₹24,208 INR
As of November 2, 2026
Save £402 GBP (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £591 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded G 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 1565302529. Listed at 17 retailers as of November 2, 2026, with prices from £189 to £591, a £402 spread on the same certified stone. MOH London lists it at £591. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle38.4°
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565302529
Dimensions6.46 × 3.49 × 2.22 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Top View
6.46 mm3.49 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1565302529
Side View
Table 57.0%Crown 38.4°Girdle: STK-VTKPavilion 38.8°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £591 GBP|Low: £189 GBP|High: £993 GBP|Avg: £374 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 2£189 GBP
Retailer 7£231 GBP
Retailer 6£236 GBP
Retailer 4£256 GBP
Retailer 5£265 GBP
Retailer 3£276 GBP
Retailer 15£285 GBP
Retailer 8£331 GBP
Retailer 10£345 GBP
Retailer 14£351 GBP
Retailer 9£375 GBP
Retailer 13£397 GBP
Retailer 11£475 GBP
MOH London£591 GBP
Retailer 12£981 GBP

24 data points across 15 retailers

17 retailers£189 GBP to £591 GBP

A
Cheapest Retailer
-
£189 GBP
₹24,208 INR
A
Retailer 2
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 3
-
£231 GBP
$310 USD
View
B+
Retailer 4
-
£236 GBP
$317 USD
View
Final sale: no returns
B+
Retailer 5
-
£256 GBP
$344 USD
View
B+
Retailer 6
-
£265 GBP
$355 USD
View
B+
Retailer 7
-
£276 GBP
$370 USD
View
B+
Retailer 8
-
£285 GBP
$383 USD
View
B
Retailer 9
-
£331 GBP
View
B+
Retailer 10
-
£345 GBP
$463 USD
View
B
Retailer 11
-
£351 GBP
View
B
Retailer 12
-
£375 GBP
$503 USD
View
B
Retailer 13
-
£397 GBP
ZAR 8,607 ZAR
View
Retailer 14
-
£431 GBP
A$890 AUD
View
Price last confirmed 29 days ago
B
Retailer 15
-
£475 GBP
€607 EUR
View
Most Expensive
B
MOH London
24D782C3B · Nov 2
£591 GBP
View
15 more retailers have this diamond
Prices start from £189 GBPSave up to £402 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
£189 GBP