Round|Lab Grown|IGI

1.23ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794602614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602614

Diamond specifications and retailer prices

From €213 EUR
As of November 6, 2026
Save €279 EUR (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €902 EUR at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794602614 or 794602614. Listed at 21 retailers as of November 2, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.23
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602614
Dimensions6.84 × 6.91 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.91 mm1.23 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG794602614
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €274 EUR|Low: €138 EUR|High: €950 EUR|Avg: €396 EUR|-5.3%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 4€142 EUR
Retailer 14€142 EUR
Retailer 6€165 EUR
Retailer 5€176 EUR
Retailer 3€213 EUR
Retailer 10€267 EUR
Retailer 1€274 EUR
Retailer 8€342 EUR
Retailer 13€385 EUR
Retailer 7€399 EUR
Retailer 12€451 EUR
Retailer 9€493 EUR
Retailer 2€554 EUR
Retailer 11€735 EUR
Reve Diamonds€902 EUR

37 data points across 15 retailers

21 retailers€213 EUR to €493 EUR

Retailer 1
-
€124 EUR
Price last confirmed 24 days ago
Retailer 2
-
€126 EUR
View
Price last confirmed 12 days ago
Retailer 3
-
€142 EUR
View
Price last confirmed 28 days ago
Retailer 4
-
€147 EUR
View
Price last confirmed 8 days ago
Retailer 5
-
€153 EUR
View
Price last confirmed 24 days ago
Retailer 6
-
€165 EUR
View
Price last confirmed 29 days ago
Retailer 7
-
€176 EUR
View
Price last confirmed 36 days ago
B+
Retailer 8
-
€213 EUR
View
Retailer 9
-
€267 EUR
View
Price last confirmed 10 days ago
A
Retailer 10
-
€274 EUR
View
B+
Retailer 11
-
€342 EUR
View
B+
Retailer 12
-
€373 EUR
View
Retailer 13
-
€385 EUR
View
Price last confirmed 12 days ago
B+
Retailer 14
-
€399 EUR
View
Retailer 15
-
€451 EUR
View
Price last confirmed 12 days ago
Retailer 16
-
€492 EUR
View
Price last confirmed 24 days ago
B+
Retailer 17
-
€493 EUR
View
Retailer 18
-
€554 EUR
View
Price last confirmed 11 days ago
Retailer 19
-
€565 EUR
View
Price last confirmed 38 days ago
Retailer 20
-
€735 EUR
View
Price last confirmed 12 days ago
Most Expensive
Reve Diamonds
4FD743642 · Oct 25
€902 EUR
$1,007 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from €213 EURSave up to €279 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
1.23ct Round
€213 EUR