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Radiant|Lab Grown|IGI

1.15ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG506197270

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

Certificate IGI LG506197270

Diamond specifications and retailer prices

From €618 EUR
$690 USD
As of October 31, 2026
Save €971 EUR (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,690 EUR at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG506197270 or 506197270. Listed at 13 retailers as of October 31, 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506197270
Dimensions7.39 × 5.10 × 3.38 mm
L/W Ratio1.45
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
7.39 mm5.10 mm1.15 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506197270
Side View
Table 65.5%Crown 36.2°Girdle: MediumPavilion 30.1°Culet: NoneDepth 66.3%

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: Oct 31
Current: €2,690 EUR|Low: €618 EUR|High: €4,153 EUR|Avg: €2,235 EUR
NZ Jewellers
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
November 1, 2026
Retailer 8€618 EUR
Retailer 10€1,237 EUR
Retailer 13€1,345 EUR
Retailer 14€1,385 EUR
Retailer 11€1,435 EUR
Retailer 4€1,589 EUR
Retailer 7€1,636 EUR
Retailer 5€1,949 EUR
Retailer 12€2,265 EUR
Retailer 3€2,604 EUR
Retailer 9€2,637 EUR
NZ Jewellers€2,690 EUR
Retailer 15€3,465 EUR
Retailer 2€4,098 EUR
Retailer 6€4,108 EUR

25 data points across 15 retailers

13 retailers€618 EUR to €1,589 EUR

B+
Cheapest Retailer
-
€618 EUR
$690 USD
B
Retailer 2
-
€1,237 EUR
$1,382 USD
View
B
Retailer 3
-
€1,345 EUR
$1,503 USD
View
B
Retailer 4
-
€1,385 EUR
$1,547 USD
View
Final sale: no returns
Retailer 5
-
€1,435 EUR
$1,603 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
€1,435 EUR
$1,603 USD
View
B
Retailer 7
-
€1,589 EUR
$1,775 USD
View
Retailer 8
-
€2,265 EUR
$2,531 USD
View
Price under review
Retailer 9
-
€2,604 EUR
$2,909 USD
View
Price under review
Retailer 10
-
€2,637 EUR
ZAR 47,603 ZAR
View
Price under review
Most Expensive
NZ Jewellers
2b07247a-5973-4ff6-b9a2-22299fb71004 · Nov 1
€2,690 EUR
$3,005 USD
View
Price under review
10 more retailers have this diamond
Prices start from €618 EURSave up to €971 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+
1.15ct Radiant
€618 EUR