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Round|Lab Grown|IGI

4.51ct H VVS1 Round Lab Grown Diamond

EX • H/VVS1 • IGI LG722510913

Shape and cutting style on the report: Round brilliant

Certificate IGI LG722510913

Diamond specifications and retailer prices

From €1,119 EUR
$1,250 USD
As of October 30, 2026
Save €1,758 EUR (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,502 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4.51ct lab-grown round diamond

This 4.51ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG722510913 or 722510913. Listed at 8 retailers as of October 29, 2026, with a 157% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.51
Carat
H
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722510913
Dimensions10.45 × 10.34 × 6.58 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
10.45 mm10.34 mm4.51 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG722510913
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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 30
Current: €4,502 EUR|Low: €729 EUR|High: €4,622 EUR|Avg: €1,821 EUR|-2.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5€729 EUR
Retailer 9€866 EUR
Retailer 10€895 EUR
Retailer 6€1,119 EUR
Retailer 4€1,185 EUR
Retailer 3€1,551 EUR
Retailer 7€1,826 EUR
Retailer 8€2,513 EUR
Retailer 2€2,877 EUR
Rare Carat€4,502 EUR

18 data points across 10 retailers

8 retailers€1,119 EUR to €2,877 EUR

Retailer 1
-
€729 EUR
$814 USD
Price last confirmed 14 days ago
A
Retailer 2
-
€1,119 EUR
$1,250 USD
View
B+
Retailer 3
-
€1,185 EUR
$1,324 USD
View
B+
Retailer 4
-
€1,551 EUR
ZAR 27,996 ZAR
View
B+
Retailer 5
-
€1,826 EUR
$2,040 USD
View
B
Retailer 6
-
€2,513 EUR
$2,807 USD
View
B
Retailer 7
-
€2,877 EUR
£2,531 GBP
View
Most Expensive
Rare Carat
C33-4A_l_722510913 · Oct 18
€4,502 EUR
$5,030 USD
View
Price last confirmed 13 days ago
7 more retailers have this diamond
Prices start from €1,119 EURSave up to €1,758 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
4.51ct Round
€1,119 EUR