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Round|Lab Grown|GCAL

1.00ct I VS1 Round Lab Grown Diamond

VG • I/VS1 • GCAL 271000031

Shape and cutting style on the report: Round brilliant

Certificate GCAL 271000031

Diamond specifications and retailer prices

From €173 EUR
$193 USD
As of October 25, 2026
Save €722 EUR (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €895 EUR at MOH London · As of October 26, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GCAL 271000031. Listed at 5 retailers as of October 25, 2026, with prices from €173 to €895, a €722 spread on the same certified stone. MOH London lists it at €895. 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
I
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 271000031
Dimensions6.41 × 6.39 × 3.91 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.41 mm6.39 mm1.00 ctI / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 271000031
Side View
Table 58.0%Crown 36.5°GirdlePavilion 40.2°Culet: NoneDepth 61.1%

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 25
Current: €895 EUR|Low: €164 EUR|High: €904 EUR|Avg: €494 EUR|+4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 26, 2026
Retailer 2€173 EUR
Retailer 3€316 EUR
Retailer 4€317 EUR
Retailer 5€770 EUR
MOH London€895 EUR

11 data points across 5 retailers

5 retailers€173 EUR to €895 EUR

B+
Cheapest Retailer
-
€173 EUR
$193 USD
B+
Retailer 2
-
€316 EUR
$353 USD
View
B+
Retailer 3
-
€317 EUR
$354 USD
View
B
Retailer 4
-
€770 EUR
$860 USD
View
Most Expensive
B
MOH London
271000031 · Oct 26
€895 EUR
£787 GBP
View
4 more retailers have this diamond
Prices start from €173 EURSave up to €722 EUR

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
€173 EUR