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Round|Lab Grown|IGI

0.59ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG499128234

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499128234

Diamond specifications and retailer prices

From €294 EUR
$330 USD
As of November 2, 2026
Save €893 EUR (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,583 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.59ct lab-grown round diamond

This 0.59ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499128234 or 499128234. Listed at 11 retailers as of November 2, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.59
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499128234
Dimensions5.39 × 5.35 × 3.26 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
Top View
5.39 mm5.35 mm0.59 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499128234
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,583 EUR|Low: €294 EUR|High: €1,602 EUR|Avg: €678 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2€294 EUR
Retailer 9€366 EUR
Retailer 10€379 EUR
Retailer 6€405 EUR
Retailer 3€409 EUR
Retailer 11€580 EUR
Retailer 8€647 EUR
Retailer 5€727 EUR
Retailer 12€755 EUR
Retailer 4€848 EUR
Retailer 7€1,188 EUR
MOH London€1,583 EUR

21 data points across 12 retailers

11 retailers€294 EUR to €1,188 EUR

B+
Cheapest Retailer
-
€294 EUR
$330 USD
Retailer 2
-
€326 EUR
$366 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
€366 EUR
$410 USD
View
Final sale: no returns
B+
Retailer 4
-
€379 EUR
$425 USD
View
Retailer 5
-
€405 EUR
$454 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
€405 EUR
$454 USD
View
B
Retailer 7
-
€647 EUR
$726 USD
View
B
Retailer 8
-
€727 EUR
View
B
Retailer 9
-
€1,188 EUR
$1,332 USD
View
Retailer 10
-
€1,303 EUR
$1,461 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG499128234 · Nov 1
€1,583 EUR
£1,398 GBP
View
Price under review
10 more retailers have this diamond
Prices start from €294 EURSave up to €893 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.

B+
0.59ct Round
€294 EUR