CaratHunter
Plans
Round|Lab Grown|IGI

3.70ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG632476809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632476809

Diamond specifications and retailer prices

From €356 EUR
$398 USD
As of October 31, 2026
Save €1,207 EUR (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,563 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632476809 or 632476809. Listed at 3 retailers as of October 31, 2026, with prices from €356 to €1,563, a €1,207 spread on the same certified stone. The Diamond Guys lists it at €1,563. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.70
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632476809
Dimensions10.01 × 9.98 × 6.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.01 mm9.98 mm3.70 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632476809
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €356 EUR|Low: €271 EUR|High: €4,610 EUR|Avg: €1,253 EUR|+31.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
The Diamond Guys
October 27, 2026
Retailer 1€356 EUR
Retailer 7€422 EUR
Retailer 14€425 EUR
Retailer 10€562 EUR
Retailer 11€650 EUR
Retailer 8€695 EUR
Retailer 9€723 EUR
Retailer 2€1,002 EUR
Retailer 12€1,056 EUR
Retailer 13€1,083 EUR
Retailer 4€1,182 EUR
The Diamond Guys€1,563 EUR
Retailer 6€2,023 EUR
Retailer 5€2,444 EUR
Retailer 3€4,610 EUR

8 data points across 15 retailers

3 retailers€356 EUR to €1,563 EUR

A
Cheapest Retailer
-
€356 EUR
$398 USD
Final sale: no returns
B+
Retailer 2
-
€1,182 EUR
CA$1,834 CAD
View
Most Expensive
B+
The Diamond Guys
1954434264 · Nov 1
€1,563 EUR
$1,746 USD
View
2 more retailers have this diamond
Prices start from €356 EURSave up to €1,207 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.

A
3.70ct Round
€356 EUR