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Round|Lab Grown|GIA

1.00ct H SI1 Round Lab Grown Diamond

FR • H/SI1 • GIA 6252012756

Certificate GIA 6252012756

Diamond specifications and retailer prices

From £1,277 GBP
€1,629 EUR
As of October 30, 2026
Save £627 GBP (33%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,903 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6252012756. Listed at 2 retailers as of October 25, 2026, with prices from £1,277 to £1,903, a £627 spread on the same certified stone. MOH London lists it at £1,903. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI1
Clarity
Fair
Cut

Specifications

CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6252012756
Dimensions5.99 × 5.94 × 4.12 mm
L/W Ratio1.01
Top View
5.99 mm5.94 mm1.00 ctH / SI1
OriginLab Grown
CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6252012756
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 69.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,903 GBP|Low: £1,266 GBP|High: £1,976 GBP|Avg: £1,728 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£1,277 GBP
Retailer 3£1,831 GBP
MOH London£1,903 GBP

21 data points across 3 retailers

2 retailers£1,277 GBP to £1,903 GBP

B
Cheapest Retailer
-
£1,277 GBP
€1,629 EUR
Most Expensive
C
MOH London
DFB3DC09A · Oct 25
£1,903 GBP
View
1 more retailer has this diamond
Prices start from £1,277 GBPSave up to £627 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
1.00ct Round
£1,277 GBP