Marquise|Lab Grown|GIA

0.30ct D SI2 Marquise Lab Grown Diamond

EX • D/SI2 • GIA 6552110058

Certificate GIA 6552110058

Diamond specifications and retailer prices

From £165 GBP
₹21,086 INR
As of October 31, 2026
Save £299 GBP (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £464 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552110058. Listed at 11 retailers as of October 30, 2026, with prices from £165 to £464, a £299 spread on the same certified stone. Moon Ocean lists it at £464. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6552110058
Dimensions7.39 × 3.41 × 2.07 mm
L/W Ratio2.17
Top View
7.39 mm3.41 mm0.30 ctD / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6552110058
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.6%

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: £464 GBP|Low: £165 GBP|High: £1,144 GBP|Avg: £454 GBP
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 2£165 GBP
Retailer 13£228 GBP
Retailer 8£263 GBP
Retailer 10£263 GBP
Retailer 11£282 GBP
Retailer 12£282 GBP
Retailer 6£293 GBP
Retailer 5£343 GBP
Retailer 7£432 GBP
Retailer 4£460 GBP
Moon Ocean£464 GBP
Retailer 3£907 GBP
Retailer 9£1,132 GBP

39 data points across 13 retailers

11 retailers£165 GBP to £464 GBP

B+
Cheapest Retailer
-
£165 GBP
₹21,086 INR
B
Retailer 2
-
£228 GBP
$305 USD
View
B
Retailer 3
-
£263 GBP
$353 USD
View
B
Retailer 4
-
£263 GBP
$353 USD
View
B
Retailer 5
-
£282 GBP
$378 USD
View
B
Retailer 6
-
£293 GBP
View
B
Retailer 7
-
£432 GBP
€551 EUR
View
B
Retailer 8
-
£460 GBP
$617 USD
View
Most Expensive
B
Moon Ocean
NVN-DDC7E093A-058 · Oct 30
£464 GBP
View
8 more retailers have this diamond
Prices start from £165 GBPSave up to £299 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
£165 GBP