Radiant|Lab Grown|IGI

0.51ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG758517645

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG758517645

Diamond specifications and retailer prices

From $132 USD
As of October 30, 2026
Save $800 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,229 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG758517645 or 758517645. Listed at 20 retailers as of October 30, 2026, with a 606% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758517645
Dimensions3.92 × 3.92 × 2.69 mm
L/W Ratio1.00
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
Top View
3.92 mm3.92 mm0.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758517645
Side View
Table 64.0%Crown 41.1°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 68.6%

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: $1,229 USD|Low: $110 USD|High: $1,229 USD|Avg: $370 USD|+2.7%
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
Retailer 17
October 31, 2026
Retailer 6$115 USD
Retailer 12$132 USD
Retailer 9$133 USD
Retailer 7$151 USD
Retailer 8$151 USD
Retailer 15$208 USD
Retailer 16$265 USD
Retailer 2$268 USD
Retailer 17$276 USD
Retailer 10$298 USD
Retailer 13$354 USD
Retailer 5$361 USD
Retailer 3$450 USD
Retailer 11$525 USD
Retailer 4$528 USD
Retailer 14$932 USD
MOH London$1,229 USD

41 data points across 17 retailers

20 retailers$132 USD to $932 USD

Retailer 1
-
$115 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$132 USD
View
Final sale: no returns
Retailer 3
-
$133 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$151 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$151 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$208 USD
View
A
Retailer 7
-
$265 USD
ZAR 4,276 ZAR
View
A
Retailer 8
-
$268 USD
€255 EUR
View
Retailer 9
-
$275 USD
£217 GBP
View
Price last confirmed 19 days ago
A
Retailer 10
-
$276 USD
View
B+
Retailer 11
-
$298 USD
£234 GBP
View
B+
Retailer 12
-
$340 USD
View
B+
Retailer 13
-
$354 USD
£278 GBP
View
B+
Retailer 14
-
$361 USD
A$556 AUD
View
B+
Retailer 15
-
$450 USD
View
Retailer 16
-
$457 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$525 USD
View
B
Retailer 18
-
$528 USD
View
B
Retailer 19
-
$932 USD
View
Most Expensive
MOH London
LG758517645 · Oct 29
$1,229 USD
£968 GBP
View
Price under review
19 more retailers have this diamond
Prices start from $132 USDSave up to $800 USD

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
0.51ct Radiant
$132 USD