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Round|Lab Grown|IGI

1.55ct E VVS1 Round Lab Grown Diamond

EX • E/VVS1 • IGI LG778671717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778671717

Diamond specifications and retailer prices

From €216 EUR
$241 USD
As of October 29, 2026
Save €2,013 EUR (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,229 EUR at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778671717 or 778671717. Listed at 25 retailers as of October 25, 2026, with prices from €216 to €2,229, a €2,013 spread on the same certified stone. Brilliant Earth lists it at €2,229. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671717
Dimensions7.39 × 7.36 × 4.62 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
7.39 mm7.36 mm1.55 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671717
Side View
Table 55.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,229 EUR|Low: €216 EUR|High: €2,229 EUR|Avg: €609 EUR
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 5€216 EUR
Retailer 9€241 EUR
Retailer 24€251 EUR
Retailer 12€257 EUR
Retailer 17€268 EUR
Retailer 18€357 EUR
Retailer 13€360 EUR
Retailer 21€430 EUR
Retailer 22€459 EUR
Retailer 19€505 EUR
Retailer 4€527 EUR
Retailer 3€534 EUR
Retailer 14€556 EUR
Retailer 8€560 EUR
Retailer 23€623 EUR
Retailer 2€664 EUR
Retailer 15€820 EUR
Retailer 7€859 EUR
Retailer 10€906 EUR
Retailer 11€1,037 EUR
Retailer 20€1,078 EUR
Retailer 16€1,088 EUR
Retailer 6€1,185 EUR
Brilliant Earth€2,229 EUR

30 data points across 24 retailers

25 retailers€216 EUR to €2,229 EUR

A
Cheapest Retailer
-
€216 EUR
$241 USD
A
Retailer 2
-
€241 EUR
$269 USD
View
Final sale: no returns
A
Retailer 3
-
€251 EUR
$280 USD
View
A
Retailer 4
-
€257 EUR
$287 USD
View
A
Retailer 5
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€268 EUR
$299 USD
View
A
Retailer 6
-
€357 EUR
£314 GBP
View
B+
Retailer 7
-
€360 EUR
$402 USD
View
A
Retailer 8
-
€430 EUR
View
A
Retailer 9
-
€459 EUR
ZAR 8,293 ZAR
View
A
Retailer 10
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€505 EUR
£445 GBP
View
B+
Retailer 11
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€527 EUR
$589 USD
View
A
Retailer 12
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€534 EUR
A$918 AUD
View
B+
Retailer 13
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€556 EUR
$621 USD
View
B+
Retailer 14
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€560 EUR
$626 USD
View
B+
Retailer 15
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€623 EUR
A$1,071 AUD
View
B+
Retailer 16
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€664 EUR
$742 USD
View
B+
Retailer 17
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€820 EUR
$916 USD
View
B+
Retailer 18
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€859 EUR
$960 USD
View
B
Retailer 19
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€906 EUR
$1,012 USD
View
B
Retailer 20
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€1,037 EUR
£912 GBP
View
Retailer 21
-
€1,044 EUR
$1,166 USD
View
Price last confirmed 110 days ago
B+
Retailer 22
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€1,078 EUR
£948 GBP
View
B
Retailer 23
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€1,088 EUR
$1,215 USD
View
B
Retailer 24
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€1,185 EUR
$1,324 USD
View
Most Expensive
B
Brilliant Earth
18619220A · Oct 25
€2,229 EUR
$2,490 USD
View
24 more retailers have this diamond
Prices start from €216 EURSave up to €2,013 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
1.55ct Round
€216 EUR