Radiant|Lab Grown|IGI

1.78ct H VS2 Radiant Lab Grown Diamond

VG • H/VS2 • IGI LG733563519

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG733563519

Diamond specifications and retailer prices

From €218 EUR
$243 USD
As of October 30, 2026
Save €901 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,119 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.78ct lab-grown radiant diamond

This 1.78ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG733563519 or 733563519. Listed at 14 retailers as of October 30, 2026, with prices from €218 to €1,119, a €901 spread on the same certified stone. Brilliant Earth lists it at €1,119. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.78
Carat
H
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733563519
Dimensions8.06 × 5.90 × 4.04 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.90 mm1.78 ctH / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733563519
Side View
Table 70.0%Crown 40.2°Girdle: STK-THKPavilion 33°Culet: NoneDepth 68.5%

Caratlytics Score

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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: €1,119 EUR|Low: €209 EUR|High: €1,155 EUR|Avg: €652 EUR|-3.1%
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
October 29, 2026
Retailer 10€218 EUR
Retailer 15€243 EUR
Retailer 11€269 EUR
Retailer 13€269 EUR
Retailer 7€452 EUR
Retailer 12€453 EUR
Retailer 3€529 EUR
Retailer 14€570 EUR
Retailer 9€678 EUR
Retailer 6€747 EUR
Retailer 8€891 EUR
Retailer 4€913 EUR
Retailer 5€1,050 EUR
Retailer 2€1,087 EUR
Brilliant Earth€1,119 EUR

19 data points across 15 retailers

14 retailers€218 EUR to €1,119 EUR

A
Cheapest Retailer
-
€218 EUR
$243 USD
B+
Retailer 2
-
€243 EUR
$272 USD
View
Final sale: no returns
A
Retailer 3
-
€252 EUR
$282 USD
View
A
Retailer 4
-
€269 EUR
$301 USD
View
A
Retailer 5
-
€269 EUR
$301 USD
View
B+
Retailer 6
-
€453 EUR
$506 USD
View
B+
Retailer 7
-
€529 EUR
$591 USD
View
B+
Retailer 8
-
€570 EUR
$637 USD
View
B+
Retailer 9
-
€678 EUR
$757 USD
View
B
Retailer 10
-
€867 EUR
$969 USD
View
Retailer 11
-
€891 EUR
$995 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
€913 EUR
$1,021 USD
View
B
Retailer 13
-
€1,087 EUR
£956 GBP
View
Most Expensive
B
Brilliant Earth
15784170A · Oct 31
€1,119 EUR
$1,250 USD
View
13 more retailers have this diamond
Prices start from €218 EURSave up to €901 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
1.78ct Radiant
€218 EUR