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Round|Lab Grown|IGI

20.03ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG805634414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805634414

Diamond specifications and retailer prices

From €6,797 EUR
£5,980 GBP
As of November 1, 2026
Save €23,591 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €30,388 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.03ct lab-grown round diamond

This 20.03ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805634414 or 805634414. Listed at 15 retailers as of October 31, 2026, with prices from €6,797 to €30,388, a €23,591 spread on the same certified stone. Brilliant Earth lists it at €30,388. 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

20.03
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805634414
Dimensions17.45 × 17.37 × 10.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.45 mm17.37 mm20.03 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805634414
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.7%

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: Nov 1
Current: €30,388 EUR|Low: €6,795 EUR|High: €30,388 EUR|Avg: €12,628 EUR
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
November 2, 2026
Retailer 8€6,797 EUR
Retailer 13€7,296 EUR
Retailer 5€7,588 EUR
Retailer 4€8,037 EUR
Retailer 14€8,463 EUR
Retailer 15€8,463 EUR
Retailer 10€8,468 EUR
Retailer 11€9,415 EUR
Retailer 12€9,443 EUR
Retailer 3€9,518 EUR
Retailer 2€10,398 EUR
Retailer 9€17,555 EUR
Retailer 6€20,933 EUR
Retailer 7€27,327 EUR
Brilliant Earth€30,388 EUR

43 data points across 15 retailers

15 retailers€6,797 EUR to €30,388 EUR

A
Cheapest Retailer
-
€6,797 EUR
£5,980 GBP
A
Retailer 2
-
€7,296 EUR
$8,151 USD
View
A
Retailer 3
-
€7,588 EUR
$8,477 USD
View
A
Retailer 4
-
€8,037 EUR
$8,979 USD
View
B+
Retailer 5
-
€8,463 EUR
$9,455 USD
View
Retailer 6
-
€8,463 EUR
$9,455 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
€8,468 EUR
$9,460 USD
View
B+
Retailer 8
-
€9,415 EUR
$10,518 USD
View
B+
Retailer 9
-
€9,443 EUR
$10,550 USD
View
B+
Retailer 10
-
€9,518 EUR
$10,634 USD
View
B+
Retailer 11
-
€10,398 EUR
£9,147 GBP
View
B
Retailer 12
-
€17,555 EUR
View
B
Retailer 13
-
€20,933 EUR
$23,387 USD
View
B
Retailer 14
-
€27,327 EUR
$30,530 USD
View
Most Expensive
B
Brilliant Earth
20208502A · Oct 31
€30,388 EUR
$33,950 USD
View
14 more retailers have this diamond
Prices start from €6,797 EURSave up to €23,591 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
20.03ct Round
€6,797 EUR