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Round|Lab Grown|IGI

20.10ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG808608385

Shape and cutting style on the report: Round brilliant

Certificate IGI LG808608385

Diamond specifications and retailer prices

From €9,754 EUR
£8,580 GBP
As of November 1, 2026
Save €27,008 EUR (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €36,761 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.1ct lab-grown round diamond

This 20.1ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG808608385 or 808608385. Listed at 16 retailers as of October 31, 2026, with prices from €9,754 to €36,761, a €27,008 spread on the same certified stone. Brilliant Earth lists it at €36,761. 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

20.10
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808608385
Dimensions17.65 × 17.60 × 10.45 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
17.65 mm17.60 mm20.10 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808608385
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €36,761 EUR|Low: €9,750 EUR|High: €37,450 EUR|Avg: €17,133 EUR|-1.0%
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 2, 2026
Retailer 10€9,754 EUR
Retailer 15€10,469 EUR
Retailer 4€10,888 EUR
Retailer 6€11,061 EUR
Retailer 16€11,381 EUR
Retailer 14€11,888 EUR
Retailer 12€11,891 EUR
Retailer 3€12,144 EUR
Retailer 8€12,144 EUR
Retailer 13€12,885 EUR
Retailer 2€14,125 EUR
Retailer 9€22,904 EUR
Retailer 11€23,964 EUR
Retailer 5€24,300 EUR
Retailer 7€35,548 EUR
Brilliant Earth€36,761 EUR

42 data points across 16 retailers

16 retailers€9,754 EUR to €36,761 EUR

B+
Cheapest Retailer
-
€9,754 EUR
£8,580 GBP
B+
Retailer 2
-
€10,469 EUR
$11,696 USD
View
B+
Retailer 3
-
€10,888 EUR
$12,164 USD
View
B+
Retailer 4
-
€11,061 EUR
$12,357 USD
View
B+
Retailer 5
-
€11,381 EUR
$12,715 USD
View
B+
Retailer 6
-
€11,888 EUR
$13,281 USD
View
B+
Retailer 7
-
€11,891 EUR
$13,285 USD
View
B+
Retailer 8
-
€12,144 EUR
$13,567 USD
View
Retailer 9
-
€12,144 EUR
$13,567 USD
View
Price last confirmed 20 days ago
B+
Retailer 10
-
€12,885 EUR
$14,395 USD
View
B+
Retailer 11
-
€14,125 EUR
£12,426 GBP
View
B
Retailer 12
-
€22,904 EUR
A$39,367 AUD
View
B
Retailer 13
-
€23,964 EUR
View
B
Retailer 14
-
€24,300 EUR
$27,148 USD
View
B
Retailer 15
-
€35,548 EUR
$39,715 USD
View
Most Expensive
B
Brilliant Earth
20289795A · Oct 31
€36,761 EUR
$41,070 USD
View
15 more retailers have this diamond
Prices start from €9,754 EURSave up to €27,008 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.

B+
20.10ct Round
€9,754 EUR