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Round|Lab Grown|IGI

5.91ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG839618988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839618988

Diamond specifications and retailer prices

From €962 EUR
$1,075 USD
As of October 31, 2026
Save €5,639 EUR (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €6,601 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839618988 or 839618988. Listed at 5 retailers as of October 31, 2026, with prices from €962 to €6,601, a €5,639 spread on the same certified stone. Frank Darling lists it at €6,601. 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

5.91
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839618988
Dimensions11.64 × 11.73 × 7.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.64 mm11.73 mm5.91 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839618988
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 41.6°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: €6,601 EUR|Low: €962 EUR|High: €6,602 EUR|Avg: €3,064 EUR|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 3€962 EUR
Retailer 4€1,308 EUR
Retailer 6€1,540 EUR
Retailer 2€2,735 EUR
Retailer 5€4,860 EUR
Frank Darling€6,601 EUR

7 data points across 6 retailers

5 retailers€962 EUR to €6,601 EUR

A
Cheapest Retailer
-
€962 EUR
$1,075 USD
Final sale: no returns
B+
Retailer 2
-
€1,308 EUR
$1,461 USD
View
B+
Retailer 3
-
€2,735 EUR
$3,056 USD
View
Retailer 4
-
€4,860 EUR
$5,430 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Frank Darling
100198203844KD · Oct 31
€6,601 EUR
$7,374 USD
View
4 more retailers have this diamond
Prices start from €962 EURSave up to €5,639 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
5.91ct Round
€962 EUR