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Round|Lab Grown|IGI

1.71ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG780612257

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780612257

Diamond specifications and retailer prices

From €285 EUR
$318 USD
As of November 1, 2026
Save €1,137 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,422 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780612257 or 780612257. Listed at 13 retailers as of October 29, 2026, with prices from €285 to €1,422, a €1,137 spread on the same certified stone. MOH London lists it at €1,422. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780612257
Dimensions7.79 × 7.76 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm7.76 mm1.71 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780612257
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.0%

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: Nov 1
Current: €1,422 EUR|Low: €273 EUR|High: €1,431 EUR|Avg: €665 EUR|-0.3%
MOH London
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 2, 2026
Retailer 15€285 EUR
Retailer 3€319 EUR
Retailer 14€330 EUR
Retailer 13€353 EUR
Retailer 7€356 EUR
Retailer 10€474 EUR
Retailer 9€517 EUR
Retailer 8€601 EUR
Retailer 5€616 EUR
Retailer 2€634 EUR
Retailer 4€638 EUR
Retailer 11€823 EUR
Retailer 12€1,135 EUR
Retailer 6€1,185 EUR
Retailer 16€1,369 EUR
MOH London€1,422 EUR

30 data points across 16 retailers

13 retailers€285 EUR to €1,422 EUR

A
Cheapest Retailer
-
€285 EUR
$318 USD
A
Retailer 2
-
€319 EUR
$356 USD
View
Final sale: no returns
A
Retailer 3
-
€330 EUR
$369 USD
View
A
Retailer 4
-
€353 EUR
$394 USD
View
A
Retailer 5
-
€474 EUR
$530 USD
View
A
Retailer 6
-
€517 EUR
£454 GBP
View
B+
Retailer 7
-
€616 EUR
$688 USD
View
B+
Retailer 8
-
€634 EUR
£558 GBP
View
B+
Retailer 9
-
€823 EUR
A$1,414 AUD
View
B
Retailer 10
-
€1,135 EUR
$1,268 USD
View
B
Retailer 11
-
€1,185 EUR
$1,324 USD
View
B
Retailer 12
-
€1,369 EUR
$1,529 USD
View
Most Expensive
B
MOH London
LG780612257 · Oct 29
€1,422 EUR
£1,251 GBP
View
12 more retailers have this diamond
Prices start from €285 EURSave up to €1,137 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
1.71ct Round
€285 EUR