Oval|Lab Grown|IGI

15.05ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG586357755

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG586357755

Diamond specifications and retailer prices

From €2,543 EUR
HK$22,200 HKD
As of October 31, 2026
Save €7,801 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €10,345 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.05ct lab-grown oval diamond

This 15.05ct lab-grown oval sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG586357755 or 586357755. Listed at 12 retailers as of October 31, 2026, with prices from €2,543 to €10,345, a €7,801 spread on the same certified stone. Adiamor lists it at €10,345. 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

15.05
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586357755
Dimensions20.30 × 13.70 × 8.41 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
20.30 mm13.70 mm15.05 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586357755
Side View
Table 63.0%Crown 36.5°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 61.4%

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 31
Current: €10,345 EUR|Low: €2,123 EUR|High: €10,393 EUR|Avg: €4,292 EUR|-0.5%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7€2,123 EUR
Retailer 8€2,543 EUR
Retailer 6€2,735 EUR
Retailer 4€2,922 EUR
Retailer 3€3,220 EUR
Retailer 2€3,316 EUR
Retailer 5€3,436 EUR
Retailer 9€7,188 EUR
Adiamor€10,345 EUR

29 data points across 9 retailers

12 retailers€2,543 EUR to €10,345 EUR

Retailer 1
-
€1,936 EUR
$2,163 USD
Price last confirmed 21 days ago
Retailer 2
-
€2,106 EUR
$2,353 USD
View
Price last confirmed 18 days ago
Retailer 3
-
€2,246 EUR
$2,509 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€2,543 EUR
HK$22,200 HKD
View
A
Retailer 5
-
€2,735 EUR
$3,056 USD
View
A
Retailer 6
-
€2,922 EUR
$3,265 USD
View
Retailer 7
-
€3,087 EUR
$3,449 USD
View
Price last confirmed 22 days ago
A
Retailer 8
-
€3,220 EUR
$3,597 USD
View
A
Retailer 9
-
€3,316 EUR
View
B+
Retailer 10
-
€3,436 EUR
$3,839 USD
View
B
Retailer 11
-
€7,188 EUR
$8,030 USD
View
Most Expensive
B
Adiamor
D-71647566 · Oct 31
€10,345 EUR
$11,557 USD
View
11 more retailers have this diamond
Prices start from €2,543 EURSave up to €7,801 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
15.05ct Oval
€2,543 EUR