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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 $905 USD
As of November 2, 2026
Save $2,106 USD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,011 USD 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 $905 to $3,011, a $2,106 spread on the same certified stone. MOH London lists it at $3,011. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,011 USD|Low: $905 USD|High: $3,030 USD|Avg: $1,628 USD|+0.6%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 3$905 USD
Retailer 2$971 USD
MOH London$3,011 USD

9 data points across 3 retailers

3 retailers$905 USD to $3,011 USD

B+
Cheapest Retailer
-
$905 USD
B+
Retailer 2
-
$971 USD
View
Most Expensive
B
MOH London
LG303170185 · Oct 29
$3,011 USD
£2,371 GBP
View
2 more retailers have this diamond
Prices start from $905 USDSave up to $2,106 USD

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
$905 USD