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Round|Lab Grown|IGI

3.76ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG621434027

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621434027

Diamond specifications and retailer prices

From €570 EUR
$637 USD
As of November 1, 2026
Save €2,298 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,780 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.76ct lab-grown round diamond

This 3.76ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621434027 or 621434027. Listed at 12 retailers as of November 1, 2026, with a 403% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.76
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621434027
Dimensions9.90 × 9.87 × 6.16 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
9.90 mm9.87 mm3.76 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621434027
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,780 EUR|Low: €548 EUR|High: €4,780 EUR|Avg: €1,709 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10€570 EUR
Retailer 13€620 EUR
Retailer 12€961 EUR
Retailer 11€1,081 EUR
Retailer 7€1,083 EUR
Retailer 6€1,217 EUR
Retailer 5€1,229 EUR
Retailer 9€1,690 EUR
Retailer 8€1,813 EUR
Retailer 4€1,966 EUR
Retailer 3€2,053 EUR
Retailer 2€2,868 EUR
Do Amore Diamonds€4,780 EUR

35 data points across 13 retailers

12 retailers€570 EUR to €2,868 EUR

A
Cheapest Retailer
-
€570 EUR
$637 USD
A
Retailer 2
-
€620 EUR
$693 USD
View
A
Retailer 3
-
€961 EUR
$1,074 USD
View
B+
Retailer 4
-
€1,081 EUR
$1,208 USD
View
B+
Retailer 5
-
€1,083 EUR
$1,210 USD
View
B+
Retailer 6
-
€1,217 EUR
£1,070 GBP
View
B
Retailer 7
-
€1,690 EUR
$1,888 USD
View
Retailer 8
-
€1,813 EUR
$2,025 USD
View
Price last confirmed 14 days ago
B
Retailer 9
-
€1,966 EUR
$2,196 USD
View
B
Retailer 10
-
€2,053 EUR
$2,294 USD
View
B
Retailer 11
-
€2,868 EUR
£2,523 GBP
View
Most Expensive
Do Amore Diamonds
7-1615573 · Oct 31
€4,780 EUR
$5,340 USD
View
Price under review
11 more retailers have this diamond
Prices start from €570 EURSave up to €2,298 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
3.76ct Round
€570 EUR