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Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG783611604

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783611604

Diamond specifications and retailer prices

From €193 EUR
As of November 4, 2026
Save €1,045 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,238 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783611604 or 783611604. Listed at 17 retailers as of November 4, 2026, with prices from €193 to €1,238, a €1,045 spread on the same certified stone. Brilliant Earth lists it at €1,238. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783611604
Dimensions7.36 × 7.28 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm7.28 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783611604
Side View
Table 58.0%Crown 36.4°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: Nov 4
Current: €1,238 EUR|Low: €170 EUR|High: €1,238 EUR|Avg: €517 EUR
Brilliant Earth
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
November 5, 2026
Retailer 6€170 EUR
Retailer 16€193 EUR
Retailer 5€220 EUR
Retailer 8€220 EUR
Retailer 7€296 EUR
Retailer 11€371 EUR
Retailer 14€394 EUR
Retailer 12€402 EUR
Retailer 15€444 EUR
Retailer 10€500 EUR
Retailer 9€650 EUR
Retailer 13€693 EUR
Retailer 4€738 EUR
Retailer 2€1,001 EUR
Retailer 3€1,047 EUR
Brilliant Earth€1,238 EUR

26 data points across 16 retailers

17 retailers€193 EUR to €1,238 EUR

Retailer 1
-
€170 EUR
Price last confirmed 35 days ago
A
Retailer 2
-
€193 EUR
View
Final sale: no returns
Retailer 3
-
€206 EUR
View
Price last confirmed 30 days ago
Retailer 4
-
€220 EUR
View
Price last confirmed 34 days ago
B+
Retailer 5
-
€296 EUR
View
A
Retailer 6
-
€371 EUR
View
A
Retailer 7
-
€394 EUR
View
Retailer 8
-
€402 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
€444 EUR
View
A
Retailer 10
-
€500 EUR
View
B+
Retailer 11
-
€650 EUR
View
B+
Retailer 12
-
€693 EUR
View
Retailer 13
-
€707 EUR
View
Price last confirmed 29 days ago
B+
Retailer 14
-
€738 EUR
View
B+
Retailer 15
-
€1,001 EUR
View
B
Retailer 16
-
€1,047 EUR
View
Most Expensive
B
Brilliant Earth
20918537A · Nov 4
€1,238 EUR
$1,390 USD
View
16 more retailers have this diamond
Prices start from €193 EURSave up to €1,045 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
€193 EUR