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Round|Lab Grown|IGI

10.54ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG781635531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781635531

Diamond specifications and retailer prices

From €1,415 EUR
$1,587 USD
As of October 26, 2026
Save €5,210 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €6,624 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.54ct lab-grown round diamond

This 10.54ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781635531 or 781635531. Listed at 15 retailers as of October 26, 2026, with prices from €1,415 to €6,624, a €5,210 spread on the same certified stone. Brilliant Earth lists it at €6,624. 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

10.54
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781635531
Dimensions14.18 × 14.25 × 8.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.18 mm14.25 mm10.54 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781635531
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: €6,624 EUR|Low: €1,372 EUR|High: €6,633 EUR|Avg: €2,902 EUR|-0.1%
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 7€1,415 EUR
Retailer 13€1,469 EUR
Retailer 5€1,540 EUR
Retailer 8€1,584 EUR
Retailer 3€1,641 EUR
Retailer 16€1,792 EUR
Retailer 10€1,826 EUR
Retailer 14€2,302 EUR
Retailer 9€2,409 EUR
Retailer 2€2,565 EUR
Retailer 6€2,583 EUR
Retailer 4€3,077 EUR
Retailer 12€4,886 EUR
Retailer 15€5,165 EUR
Retailer 11€5,268 EUR
Brilliant Earth€6,624 EUR

32 data points across 16 retailers

15 retailers€1,415 EUR to €6,624 EUR

A
Cheapest Retailer
-
€1,415 EUR
$1,587 USD
A
Retailer 2
-
€1,469 EUR
£1,298 GBP
View
Retailer 3
-
€1,540 EUR
$1,727 USD
View
Price last confirmed 9 days ago
Retailer 4
-
€1,641 EUR
$1,841 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€1,792 EUR
$2,010 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
€1,826 EUR
HK$16,000 HKD
View
A
Retailer 7
-
€2,302 EUR
£2,033 GBP
View
A
Retailer 8
-
€2,409 EUR
View
A
Retailer 9
-
€2,565 EUR
$2,877 USD
View
Retailer 10
-
€2,583 EUR
$2,897 USD
View
Price last confirmed 6 days ago
Retailer 11
-
€3,077 EUR
$3,451 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
€4,886 EUR
$5,480 USD
View
B
Retailer 13
-
€5,165 EUR
$5,793 USD
View
B
Retailer 14
-
€5,268 EUR
SGD 7,985 SGD
View
Most Expensive
B
Brilliant Earth
18346400A · Nov 2
€6,624 EUR
$7,430 USD
View
14 more retailers have this diamond
Prices start from €1,415 EURSave up to €5,210 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
10.54ct Round
€1,415 EUR