Cushion|Lab Grown|GCAL

3.07ct I SI1 Cushion Lab Grown Diamond

VG • I/SI1 • GCAL 303170185

Certificate GCAL 303170185

Diamond specifications and retailer prices

From €810 EUR
$905 USD
As of October 30, 2026
Save €1,885 EUR (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,695 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.07ct lab-grown cushion diamond

This 3.07ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 303170185. Listed at 3 retailers as of October 29, 2026, with prices from €810 to €2,695, a €1,885 spread on the same certified stone. MOH London lists it at €2,695. 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

3.07
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 303170185
Dimensions8.89 × 8.25 × 5.51 mm
L/W Ratio1.08
Top View
8.89 mm8.25 mm3.07 ctI / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 303170185
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 66.8%

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 30
Current: €2,695 EUR|Low: €810 EUR|High: €2,712 EUR|Avg: €1,457 EUR|+0.6%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 3€810 EUR
Retailer 2€869 EUR
MOH London€2,695 EUR

9 data points across 3 retailers

3 retailers€810 EUR to €2,695 EUR

B+
Cheapest Retailer
-
€810 EUR
$905 USD
B+
Retailer 2
-
€869 EUR
$971 USD
View
Most Expensive
B
MOH London
LG303170185 · Oct 29
€2,695 EUR
£2,371 GBP
View
2 more retailers have this diamond
Prices start from €810 EURSave up to €1,885 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+
3.07ct Cushion
€810 EUR