Round|Lab Grown|GIA

1.81ct G I1 Round Lab Grown Diamond

EX • G/I1 • GIA 7378844242

Certificate GIA 7378844242

Diamond specifications and retailer prices

From £858 GBP
$1,151 USD
As of November 2, 2026
Save £1,129 GBP (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,987 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7378844242. Listed at 2 retailers as of November 2, 2026, with prices from £858 to £1,987, a £1,129 spread on the same certified stone. Yorxs lists it at £1,987. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 7378844242
Dimensions7.87 × 7.89 × 4.78 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
7.87 mm7.89 mm1.81 ctG / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7378844242
Side View
Table 58.0%Crown 34°GirdlePavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £858 GBP|Low: £433 GBP|High: £1,987 GBP|Avg: £1,088 GBP|-5.4%
Retailer 1
Retailer 2
Yorxs
November 2, 2026
Retailer 2£433 GBP
Retailer 1£858 GBP
Yorxs£1,987 GBP

19 data points across 3 retailers

2 retailers£858 GBP to £1,987 GBP

B
Cheapest Retailer
-
£858 GBP
$1,151 USD
Most Expensive
B
Yorxs
358148520 · Nov 2
£1,987 GBP
€2,539 EUR
View
1 more retailer has this diamond
Prices start from £858 GBPSave up to £1,129 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
1.81ct Round
£858 GBP