Round|Lab Grown|IGI

3.90ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG618491971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618491971

Diamond specifications and retailer prices

From €573 EUR
HK$5,000 HKD
As of October 31, 2026
Save €1,364 EUR (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,126 EUR at Rare Carat · As of September 16, 2026
View at Rare Carat

About this 3.9ct lab-grown round diamond

This 3.9ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618491971 or 618491971. Listed at 9 retailers as of October 31, 2026, with a 238% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.90
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618491971
Dimensions10.19 × 10.12 × 6.16 mm
L/W Ratio1.01
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
10.19 mm10.12 mm3.90 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618491971
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.8%

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: €2,126 EUR|Low: €573 EUR|High: €2,281 EUR|Avg: €1,391 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10€573 EUR
Retailer 3€716 EUR
Retailer 4€797 EUR
Retailer 6€823 EUR
Retailer 8€1,132 EUR
Retailer 5€1,671 EUR
Retailer 9€1,721 EUR
Retailer 2€1,937 EUR
Rare Carat€2,126 EUR
Retailer 7€2,281 EUR

26 data points across 10 retailers

9 retailers€573 EUR to €1,937 EUR

A
Cheapest Retailer
-
€573 EUR
HK$5,000 HKD
B+
Retailer 2
-
€716 EUR
$800 USD
View
A
Retailer 3
-
€797 EUR
View
A
Retailer 4
-
€823 EUR
$919 USD
View
B+
Retailer 5
-
€1,132 EUR
$1,265 USD
View
B+
Retailer 6
-
€1,671 EUR
SGD 2,523 SGD
View
B+
Retailer 7
-
€1,721 EUR
$1,923 USD
View
B+
Retailer 8
-
€1,937 EUR
£1,704 GBP
View
Most Expensive
Rare Carat
MA-10146_l_618491971 · Sep 16
€2,126 EUR
$2,376 USD
View
Price last confirmed 46 days ago
8 more retailers have this diamond
Prices start from €573 EURSave up to €1,364 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
3.90ct Round
€573 EUR