Round|Lab Grown|IGI

3.51ct I VVS1 Round Lab Grown Diamond

ID • I/VVS1 • IGI LG771603843

Shape and cutting style on the report: Round brilliant

Certificate IGI LG771603843

Diamond specifications and retailer prices

From €410 EUR
$458 USD
As of October 29, 2026
Save €3,081 EUR (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,491 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG771603843 or 771603843. Listed at 12 retailers as of October 29, 2026, with prices from €410 to €3,491, a €3,081 spread on the same certified stone. Brilliant Earth lists it at €3,491. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
I
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771603843
Dimensions9.75 × 9.70 × 6.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Light Blue
Top View
9.75 mm9.70 mm3.51 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771603843
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.0%

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: €3,491 EUR|Low: €399 EUR|High: €4,646 EUR|Avg: €1,717 EUR|-24.9%
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
October 30, 2026
Retailer 13€410 EUR
Retailer 8€586 EUR
Retailer 10€718 EUR
Retailer 9€783 EUR
Retailer 4€849 EUR
Retailer 6€1,088 EUR
Retailer 5€1,273 EUR
Retailer 7€1,274 EUR
Retailer 12€1,744 EUR
Retailer 2€1,851 EUR
Retailer 11€3,249 EUR
Retailer 3€3,451 EUR
Brilliant Earth€3,491 EUR

13 data points across 13 retailers

12 retailers€410 EUR to €3,491 EUR

Retailer 1
-
€366 EUR
$409 USD
Price last confirmed 38 days ago
A
Retailer 2
-
€410 EUR
$458 USD
View
Final sale: no returns
A
Retailer 3
-
€586 EUR
$655 USD
View
B+
Retailer 4
-
€718 EUR
$802 USD
View
A
Retailer 5
-
€783 EUR
$875 USD
View
B+
Retailer 6
-
€1,088 EUR
ZAR 19,638 ZAR
View
B+
Retailer 7
-
€1,274 EUR
$1,423 USD
View
B
Retailer 8
-
€1,744 EUR
$1,949 USD
View
B
Retailer 9
-
€1,851 EUR
£1,628 GBP
View
B
Retailer 10
-
€3,249 EUR
$3,630 USD
View
Retailer 11
-
€3,451 EUR
$3,855 USD
View
Price last confirmed 52 days ago
Most Expensive
B
Brilliant Earth
21524789Y · Oct 30
€3,491 EUR
$3,900 USD
View
11 more retailers have this diamond
Prices start from €410 EURSave up to €3,081 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
3.51ct Round
€410 EUR