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Round|Lab Grown|IGI

3.72ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG628401021

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628401021

Diamond specifications and retailer prices

From €754 EUR
$842 USD
As of October 29, 2026
Save €5,234 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,988 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.72ct lab-grown round diamond

This 3.72ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628401021 or 628401021. Listed at 21 retailers as of October 29, 2026, with prices from €754 to €5,988, a €5,234 spread on the same certified stone. Brilliant Earth lists it at €5,988. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.72
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628401021
Dimensions9.95 × 9.99 × 6.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.95 mm9.99 mm3.72 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628401021
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.8%

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: Oct 29
Current: €5,988 EUR|Low: €723 EUR|High: €9,363 EUR|Avg: €2,002 EUR|-36.0%
Brilliant Earth
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 16€754 EUR
Retailer 7€820 EUR
Retailer 5€844 EUR
Retailer 4€875 EUR
Retailer 13€1,034 EUR
Retailer 6€1,228 EUR
Retailer 2€1,339 EUR
Retailer 10€1,390 EUR
Retailer 14€1,439 EUR
Retailer 9€1,975 EUR
Retailer 15€2,010 EUR
Retailer 11€2,030 EUR
Retailer 8€2,459 EUR
Retailer 3€2,796 EUR
Retailer 12€3,295 EUR
Brilliant Earth€5,988 EUR

41 data points across 16 retailers

21 retailers€754 EUR to €5,988 EUR

A
Cheapest Retailer
-
€754 EUR
$842 USD
A
Retailer 2
-
€820 EUR
$916 USD
View
A
Retailer 3
-
€844 EUR
$943 USD
View
Final sale: no returns
A
Retailer 4
-
€875 EUR
$977 USD
View
Retailer 5
-
€875 EUR
$977 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€1,034 EUR
$1,155 USD
View
A
Retailer 7
-
€1,228 EUR
$1,372 USD
View
A
Retailer 8
-
€1,339 EUR
£1,178 GBP
View
A
Retailer 9
-
€1,390 EUR
View
A
Retailer 10
-
€1,439 EUR
$1,608 USD
View
B+
Retailer 11
-
€1,975 EUR
A$3,394 AUD
View
B+
Retailer 12
-
€2,010 EUR
$2,246 USD
View
A
Retailer 13
-
€2,030 EUR
ZAR 36,643 ZAR
View
B+
Retailer 14
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€2,454 EUR
$2,742 USD
View
B+
Retailer 15
-
€2,459 EUR
$2,747 USD
View
B+
Retailer 16
-
€2,462 EUR
$2,751 USD
View
B+
Retailer 17
-
€2,735 EUR
$3,056 USD
View
B+
Retailer 18
-
€2,796 EUR
$3,124 USD
View
B+
Retailer 19
-
€3,030 EUR
$3,386 USD
View
B+
Retailer 20
-
€3,295 EUR
£2,899 GBP
View
Most Expensive
B
Brilliant Earth
10022090A · Oct 31
€5,988 EUR
$6,690 USD
View
20 more retailers have this diamond
Prices start from €754 EURSave up to €5,234 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
3.72ct Round
€754 EUR