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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG781609698

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609698

Diamond specifications and retailer prices

From €218 EUR
$243 USD
As of October 29, 2026
Save €1,188 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,405 EUR at Brilliant Earth · As of October 28, 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 LG781609698 or 781609698. Listed at 22 retailers as of October 28, 2026, with prices from €218 to €1,405, a €1,188 spread on the same certified stone. Brilliant Earth lists it at €1,405. 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
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609698
Dimensions7.78 × 7.83 × 4.78 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
7.78 mm7.83 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609698
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: €1,405 EUR|Low: €213 EUR|High: €1,531 EUR|Avg: €644 EUR|-8.2%
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
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 13€218 EUR
Retailer 9€252 EUR
Retailer 8€269 EUR
Retailer 2€422 EUR
Retailer 16€448 EUR
Retailer 3€453 EUR
Retailer 5€463 EUR
Retailer 15€503 EUR
Retailer 12€510 EUR
Retailer 17€562 EUR
Retailer 7€628 EUR
Retailer 11€693 EUR
Retailer 6€867 EUR
Retailer 10€913 EUR
Retailer 4€1,011 EUR
Retailer 14€1,087 EUR
Retailer 19€1,096 EUR
Retailer 18€1,197 EUR
Brilliant Earth€1,405 EUR

32 data points across 19 retailers

22 retailers€218 EUR to €1,405 EUR

A
Cheapest Retailer
-
€218 EUR
$243 USD
A
Retailer 2
-
€252 EUR
$282 USD
View
A
Retailer 3
-
€269 EUR
$301 USD
View
A
Retailer 4
-
€276 EUR
$308 USD
View
A
Retailer 5
-
€422 EUR
£371 GBP
View
A
Retailer 6
-
€448 EUR
View
B+
Retailer 7
-
€453 EUR
$506 USD
View
A
Retailer 8
-
€463 EUR
ZAR 8,363 ZAR
View
A
Retailer 9
-
€503 EUR
$562 USD
View
A
Retailer 10
-
€510 EUR
£449 GBP
View
B+
Retailer 11
-
€562 EUR
$628 USD
View
B+
Retailer 12
-
€628 EUR
A$1,080 AUD
View
B+
Retailer 13
-
€693 EUR
$774 USD
View
Retailer 14
-
€808 EUR
$903 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
€867 EUR
$969 USD
View
B
Retailer 16
-
€913 EUR
$1,021 USD
View
B
Retailer 17
-
€977 EUR
$1,092 USD
View
B
Retailer 18
-
€1,011 EUR
$1,130 USD
View
B
Retailer 19
-
€1,087 EUR
£956 GBP
View
B
Retailer 20
-
€1,096 EUR
$1,225 USD
View
B
Retailer 21
-
€1,197 EUR
$1,337 USD
View
Most Expensive
B
Brilliant Earth
18294398A · Oct 28
€1,405 EUR
$1,570 USD
View
21 more retailers have this diamond
Prices start from €218 EURSave up to €1,188 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
€218 EUR