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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG818685283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818685283

Diamond specifications and retailer prices

From €215 EUR
$240 USD
As of October 29, 2026
Save €1,020 EUR (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,235 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818685283 or 818685283. Listed at 23 retailers as of October 29, 2026, with prices from €215 to €1,235, a €1,020 spread on the same certified stone. Brilliant Earth lists it at €1,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685283
Dimensions7.71 × 7.66 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.66 mm1.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685283
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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 29
Current: €1,235 EUR|Low: €207 EUR|High: €1,549 EUR|Avg: €614 EUR|-20.2%
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
Retailer 17
November 1, 2026
Retailer 3€215 EUR
Retailer 6€241 EUR
Retailer 9€250 EUR
Retailer 7€267 EUR
Retailer 13€360 EUR
Retailer 17€418 EUR
Retailer 11€426 EUR
Retailer 14€458 EUR
Retailer 10€504 EUR
Retailer 8€568 EUR
Retailer 15€622 EUR
Retailer 12€662 EUR
Retailer 16€1,003 EUR
Retailer 2€1,069 EUR
Retailer 4€1,086 EUR
Retailer 5€1,184 EUR
Brilliant Earth€1,235 EUR

40 data points across 17 retailers

23 retailers€215 EUR to €1,235 EUR

A
Cheapest Retailer
-
€215 EUR
$240 USD
A
Retailer 2
-
€241 EUR
$269 USD
View
Final sale: no returns
A
Retailer 3
-
€250 EUR
$279 USD
View
A
Retailer 4
-
€267 EUR
$298 USD
View
A
Retailer 5
-
€267 EUR
$298 USD
View
B+
Retailer 6
-
€360 EUR
$402 USD
View
Retailer 7
-
€418 EUR
£368 GBP
View
Price last confirmed 15 days ago
A
Retailer 8
-
€426 EUR
View
A
Retailer 9
-
€458 EUR
ZAR 8,270 ZAR
View
A
Retailer 10
-
€504 EUR
£443 GBP
View
B+
Retailer 11
-
€554 EUR
$619 USD
View
B+
Retailer 12
-
€561 EUR
$627 USD
View
B+
Retailer 13
-
€568 EUR
$635 USD
View
B+
Retailer 14
-
€622 EUR
A$1,069 AUD
View
B+
Retailer 15
-
€662 EUR
$740 USD
View
B+
Retailer 16
-
€857 EUR
$958 USD
View
B
Retailer 17
-
€904 EUR
$1,010 USD
View
Retailer 18
-
€1,003 EUR
$1,120 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
€1,069 EUR
£940 GBP
View
B
Retailer 20
-
€1,086 EUR
$1,213 USD
View
B
Retailer 21
-
€1,090 EUR
$1,218 USD
View
B
Retailer 22
-
€1,184 EUR
$1,322 USD
View
Most Expensive
B
Brilliant Earth
21053173A · Oct 31
€1,235 EUR
$1,380 USD
View
22 more retailers have this diamond
Prices start from €215 EURSave up to €1,020 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 Round
€215 EUR