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Round|Lab Grown|IGI

10.09ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG627422142

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627422142

Diamond specifications and retailer prices

From €1,790 EUR
$2,008 USD
As of November 1, 2026
Save €9,577 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €11,368 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.09ct lab-grown round diamond

This 10.09ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627422142 or 627422142. Listed at 17 retailers as of November 1, 2026, with prices from €1,790 to €11,368, a €9,577 spread on the same certified stone. Brilliant Earth lists it at €11,368. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.09
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627422142
Dimensions13.85 × 13.77 × 8.51 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
13.85 mm13.77 mm10.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627422142
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €11,368 EUR|Low: €1,718 EUR|High: €11,368 EUR|Avg: €3,280 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 12€1,790 EUR
Retailer 8€1,853 EUR
Retailer 11€1,947 EUR
Retailer 5€2,004 EUR
Retailer 13€2,076 EUR
Retailer 3€2,224 EUR
Retailer 7€2,512 EUR
Retailer 10€2,822 EUR
Retailer 15€2,854 EUR
Retailer 2€3,071 EUR
Retailer 4€3,249 EUR
Retailer 9€3,295 EUR
Retailer 6€5,919 EUR
Retailer 14€6,351 EUR
Brilliant Earth€11,368 EUR

42 data points across 15 retailers

17 retailers€1,790 EUR to €11,368 EUR

A
Cheapest Retailer
-
€1,790 EUR
$2,008 USD
A
Retailer 2
-
€1,853 EUR
£1,636 GBP
View
A
Retailer 3
-
€1,947 EUR
$2,184 USD
View
A
Retailer 4
-
€2,004 EUR
$2,248 USD
View
Final sale: no returns
Retailer 5
-
€2,076 EUR
$2,329 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
€2,076 EUR
$2,329 USD
View
A
Retailer 7
-
€2,224 EUR
$2,495 USD
View
A
Retailer 8
-
€2,512 EUR
$2,817 USD
View
B+
Retailer 9
-
€2,822 EUR
£2,492 GBP
View
B+
Retailer 10
-
€2,854 EUR
$3,201 USD
View
B+
Retailer 11
-
€3,071 EUR
$3,445 USD
View
B+
Retailer 12
-
€3,249 EUR
$3,644 USD
View
B+
Retailer 13
-
€3,295 EUR
View
B
Retailer 14
-
€5,919 EUR
$6,638 USD
View
B
Retailer 15
-
€6,351 EUR
$7,123 USD
View
B
Retailer 16
-
€7,266 EUR
$8,150 USD
View
Most Expensive
B
Brilliant Earth
20602725A · Nov 2
€11,368 EUR
$12,750 USD
View
16 more retailers have this diamond
Prices start from €1,790 EURSave up to €9,577 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
10.09ct Round
€1,790 EUR