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Round|Lab Grown|IGI

1.31ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG761528295

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761528295

Diamond specifications and retailer prices

From €177 EUR
As of November 5, 2026
Save €885 EUR (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,063 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.31ct lab-grown round diamond

This 1.31ct 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 LG761528295 or 761528295. Listed at 23 retailers as of November 5, 2026, with prices from €177 to €1,063, a €885 spread on the same certified stone. Reve Diamonds lists it at €1,063. 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

1.31
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761528295
Dimensions6.98 × 6.95 × 4.35 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
6.98 mm6.95 mm1.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761528295
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €386 EUR|Low: €168 EUR|High: €1,063 EUR|Avg: €462 EUR|-0.5%
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
Retailer 17
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 9€177 EUR
Retailer 4€198 EUR
Retailer 18€205 EUR
Retailer 5€219 EUR
Retailer 6€219 EUR
Retailer 7€382 EUR
Retailer 11€382 EUR
Retailer 1€386 EUR
Retailer 2€389 EUR
Retailer 12€397 EUR
Retailer 3€442 EUR
Retailer 17€482 EUR
Retailer 15€484 EUR
Retailer 13€591 EUR
Retailer 16€599 EUR
Retailer 10€706 EUR
Retailer 8€754 EUR
Retailer 14€1,025 EUR
Reve Diamonds€1,063 EUR

38 data points across 19 retailers

23 retailers€177 EUR to €1,063 EUR

Retailer 1
-
€176 EUR
Price last confirmed 47 days ago
A
Retailer 2
-
€177 EUR
View
A
Retailer 3
-
€198 EUR
View
Final sale: no returns
A
Retailer 4
-
€205 EUR
View
Retailer 5
-
€215 EUR
View
Price last confirmed 47 days ago
A
Retailer 6
-
€219 EUR
View
Retailer 7
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€219 EUR
View
Price last confirmed 13 days ago
A
Retailer 8
-
€382 EUR
View
A
Retailer 9
-
€382 EUR
View
A
Retailer 10
-
€386 EUR
View
A
Retailer 11
-
€389 EUR
View
A
Retailer 12
-
€397 EUR
View
B+
Retailer 13
-
€442 EUR
View
B+
Retailer 14
-
€482 EUR
View
B+
Retailer 15
-
€484 EUR
View
B+
Retailer 16
-
€591 EUR
View
B+
Retailer 17
-
€591 EUR
View
B+
Retailer 18
-
€599 EUR
View
Retailer 19
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€700 EUR
View
Price last confirmed 47 days ago
B+
Retailer 20
-
€706 EUR
View
B
Retailer 21
-
€754 EUR
View
B
Retailer 22
-
€1,025 EUR
View
Most Expensive
B
Reve Diamonds
EAB8DE9AA · Nov 6
€1,063 EUR
$1,187 USD
View
22 more retailers have this diamond
Prices start from €177 EURSave up to €885 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
1.31ct Round
€177 EUR