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Round|Lab Grown|IGI

1.27ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG615372660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615372660

Diamond specifications and retailer prices

From €212 EUR
As of November 6, 2026
Save €732 EUR (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €944 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615372660 or 615372660. Listed at 17 retailers as of November 1, 2026, with prices from €212 to €944, a €732 spread on the same certified stone. MOH London lists it at €944. 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

1.27
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615372660
Dimensions6.90 × 6.87 × 4.31 mm
L/W Ratio1.00
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
6.90 mm6.87 mm1.27 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615372660
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: Nov 6
Current: €944 EUR|Low: €212 EUR|High: €955 EUR|Avg: €487 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10€212 EUR
Retailer 8€236 EUR
Retailer 9€318 EUR
Retailer 7€374 EUR
Retailer 2€427 EUR
Retailer 3€430 EUR
Retailer 6€466 EUR
Retailer 5€760 EUR
Retailer 4€851 EUR
MOH London€944 EUR

41 data points across 10 retailers

17 retailers€212 EUR to €944 EUR

Retailer 1
-
€190 EUR
Price last confirmed 46 days ago
A
Retailer 2
-
€212 EUR
View
Final sale: no returns
Retailer 3
-
€220 EUR
View
Price last confirmed 46 days ago
Retailer 4
-
€233 EUR
View
Price last confirmed 43 days ago
B+
Retailer 5
-
€318 EUR
View
A
Retailer 6
-
€374 EUR
View
B+
Retailer 7
-
€427 EUR
View
B+
Retailer 8
-
€430 EUR
View
B+
Retailer 9
-
€466 EUR
View
B
Retailer 10
-
€616 EUR
View
Retailer 11
-
€757 EUR
View
Price last confirmed 47 days ago
B
Retailer 12
-
€760 EUR
View
B
Retailer 13
-
€765 EUR
View
B
Retailer 14
-
€804 EUR
View
B
Retailer 15
-
€833 EUR
View
B
Retailer 16
-
€851 EUR
View
Most Expensive
B
MOH London
LG615372660 · Nov 1
€944 EUR
£830 GBP
View
16 more retailers have this diamond
Prices start from €212 EURSave up to €732 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
1.27ct Round
€212 EUR