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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 €211 EUR
$237 USD
As of October 30, 2026
Save €729 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €940 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 16 retailers as of October 30, 2026, with prices from €211 to €940, a €729 spread on the same certified stone. MOH London lists it at €940. 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
Color
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

How it works →
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 30
Current: €940 EUR|Low: €211 EUR|High: €951 EUR|Avg: €478 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10€211 EUR
Retailer 8€234 EUR
Retailer 9€317 EUR
Retailer 6€373 EUR
Retailer 4€389 EUR
Retailer 3€433 EUR
Retailer 2€464 EUR
Retailer 5€608 EUR
Retailer 7€829 EUR
MOH London€940 EUR

39 data points across 10 retailers

16 retailers€211 EUR to €940 EUR

Retailer 1
-
€189 EUR
$212 USD
Price last confirmed 41 days ago
A
Retailer 2
-
€211 EUR
$237 USD
View
Final sale: no returns
Retailer 3
-
€219 EUR
$246 USD
View
Price last confirmed 41 days ago
Retailer 4
-
€232 EUR
$260 USD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
€317 EUR
$355 USD
View
A
Retailer 6
-
€373 EUR
$418 USD
View
A
Retailer 7
-
€389 EUR
View
B+
Retailer 8
-
€433 EUR
£382 GBP
View
B+
Retailer 9
-
€464 EUR
$520 USD
View
B
Retailer 10
-
€608 EUR
$682 USD
View
Retailer 11
-
€687 EUR
$771 USD
View
Price last confirmed 32 days ago
Retailer 12
-
€753 EUR
$845 USD
View
Price last confirmed 43 days ago
B
Retailer 13
-
€762 EUR
SGD 1,155 SGD
View
B
Retailer 14
-
€801 EUR
$898 USD
View
B
Retailer 15
-
€829 EUR
$930 USD
View
Most Expensive
B
MOH London
LG615372660 · Nov 1
€940 EUR
£830 GBP
View
15 more retailers have this diamond
Prices start from €211 EURSave up to €729 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
€211 EUR