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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG793631681

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793631681

Diamond specifications and retailer prices

From €209 EUR
As of November 5, 2026
Save €954 EUR (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,164 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG793631681 or 793631681. Listed at 21 retailers as of November 4, 2026, with prices from €209 to €1,164, a €954 spread on the same certified stone. Reve Diamonds lists it at €1,164. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793631681
Dimensions7.33 × 7.28 × 4.62 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
7.33 mm7.28 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793631681
Side View
Table 55.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €485 EUR|Low: €208 EUR|High: €1,164 EUR|Avg: €569 EUR|+6.5%
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
Reve Diamonds
November 6, 2026
Retailer 5€209 EUR
Retailer 11€234 EUR
Retailer 12€243 EUR
Retailer 2€260 EUR
Retailer 14€260 EUR
Retailer 3€439 EUR
Retailer 13€484 EUR
Retailer 1€485 EUR
Retailer 10€488 EUR
Retailer 6€836 EUR
Retailer 9€838 EUR
Retailer 4€881 EUR
Retailer 7€971 EUR
Retailer 8€1,038 EUR
Reve Diamonds€1,164 EUR

45 data points across 15 retailers

21 retailers€209 EUR to €1,164 EUR

Retailer 1
-
€208 EUR
Price last confirmed 45 days ago
A
Retailer 2
-
€209 EUR
View
A
Retailer 3
-
€234 EUR
View
Final sale: no returns
A
Retailer 4
-
€243 EUR
View
Retailer 5
-
€254 EUR
View
Price last confirmed 45 days ago
Retailer 6
-
€260 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€260 EUR
View
A
Retailer 8
-
€388 EUR
View
B+
Retailer 9
-
€439 EUR
View
B+
Retailer 10
-
€484 EUR
View
B+
Retailer 11
-
€485 EUR
View
B+
Retailer 12
-
€488 EUR
View
B+
Retailer 13
-
€693 EUR
View
Retailer 14
-
€829 EUR
View
Price last confirmed 46 days ago
B
Retailer 15
-
€836 EUR
View
B
Retailer 16
-
€838 EUR
View
B
Retailer 17
-
€881 EUR
View
B
Retailer 18
-
€927 EUR
View
B
Retailer 19
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€971 EUR
View
B
Retailer 20
-
€1,038 EUR
View
Most Expensive
B
Reve Diamonds
956C4DEDD · Nov 4
€1,164 EUR
$1,306 USD
View
20 more retailers have this diamond
Prices start from €209 EURSave up to €954 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
1.51ct Round
€209 EUR