CaratHunter
Plans
Round|Lab Grown|IGI

1.27ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG769654085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769654085

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of October 29, 2026
Save €894 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,075 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG769654085 or 769654085. Listed at 20 retailers as of October 29, 2026, with prices from €181 to €1,075, a €894 spread on the same certified stone. Reve Diamonds lists it at €1,075. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769654085
Dimensions6.99 × 6.95 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm6.95 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769654085
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €426 EUR|Low: €173 EUR|High: €1,075 EUR|Avg: €477 EUR|+9.2%
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
Retailer 15
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 6€181 EUR
Retailer 12€201 EUR
Retailer 14€210 EUR
Retailer 2€225 EUR
Retailer 16€225 EUR
Retailer 3€389 EUR
Retailer 9€411 EUR
Retailer 1€426 EUR
Retailer 11€439 EUR
Retailer 15€446 EUR
Retailer 10€470 EUR
Retailer 8€555 EUR
Retailer 4€604 EUR
Retailer 7€721 EUR
Retailer 5€770 EUR
Retailer 13€1,052 EUR
Reve Diamonds€1,075 EUR

33 data points across 17 retailers

20 retailers€181 EUR to €1,075 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
Final sale: no returns
A
Retailer 3
-
€210 EUR
$235 USD
View
A
Retailer 4
-
€225 EUR
$251 USD
View
A
Retailer 5
-
€225 EUR
$251 USD
View
A
Retailer 6
-
€371 EUR
$415 USD
View
B+
Retailer 7
-
€389 EUR
$435 USD
View
B+
Retailer 8
-
€411 EUR
£362 GBP
View
B+
Retailer 9
-
€426 EUR
View
Retailer 10
-
€438 EUR
$489 USD
View
Price last confirmed 89 days ago
B+
Retailer 11
-
€439 EUR
£386 GBP
View
B+
Retailer 12
-
€446 EUR
$498 USD
View
B+
Retailer 13
-
€470 EUR
A$808 AUD
View
B+
Retailer 14
-
€555 EUR
$620 USD
View
B
Retailer 15
-
€604 EUR
$675 USD
View
Retailer 16
-
€716 EUR
$800 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
€721 EUR
$806 USD
View
B
Retailer 18
-
€770 EUR
$860 USD
View
B
Retailer 19
-
€1,052 EUR
£925 GBP
View
Most Expensive
B
Reve Diamonds
219DAB444 · Oct 30
€1,075 EUR
$1,201 USD
View
19 more retailers have this diamond
Prices start from €181 EURSave up to €894 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
€181 EUR