Radiant|Lab Grown|IGI

1.15ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG514249750

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

Certificate IGI LG514249750

Diamond specifications and retailer prices

From €167 EUR
$187 USD
As of October 30, 2026
Save €753 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,611 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514249750 or 514249750. Listed at 15 retailers as of October 25, 2026, with a 450% 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

1.15
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514249750
Dimensions7.33 × 5.11 × 3.57 mm
L/W Ratio1.43
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
7.33 mm5.11 mm1.15 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514249750
Side View
Table 66.5%Crown 47.2°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 69.9%

Caratlytics Score

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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: €1,611 EUR|Low: €167 EUR|High: €1,611 EUR|Avg: €530 EUR|+25.0%
Do Amore Diamonds
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 4€167 EUR
Retailer 14€194 EUR
Retailer 6€208 EUR
Retailer 17€208 EUR
Retailer 5€255 EUR
Retailer 10€304 EUR
Retailer 9€353 EUR
Retailer 16€365 EUR
Retailer 2€423 EUR
Retailer 12€488 EUR
Retailer 15€493 EUR
Retailer 8€659 EUR
Retailer 13€671 EUR
Retailer 7€738 EUR
Retailer 3€892 EUR
Retailer 11€921 EUR
Do Amore Diamonds€1,611 EUR

26 data points across 17 retailers

15 retailers€167 EUR to €921 EUR

A
Cheapest Retailer
-
€167 EUR
$187 USD
A
Retailer 2
-
€194 EUR
$217 USD
View
A
Retailer 3
-
€208 EUR
$232 USD
View
A
Retailer 4
-
€208 EUR
$232 USD
View
A
Retailer 5
-
€255 EUR
$285 USD
View
A
Retailer 6
-
€304 EUR
£267 GBP
View
A
Retailer 7
-
€365 EUR
$408 USD
View
B+
Retailer 8
-
€423 EUR
£372 GBP
View
Retailer 9
-
€488 EUR
$545 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
€493 EUR
$551 USD
View
B
Retailer 11
-
€671 EUR
$750 USD
View
B
Retailer 12
-
€738 EUR
$825 USD
View
B
Retailer 13
-
€892 EUR
$997 USD
View
B
Retailer 14
-
€921 EUR
£810 GBP
View
Most Expensive
Do Amore Diamonds
27-6846E020A · Oct 31
€1,611 EUR
$1,800 USD
View
Price under review
14 more retailers have this diamond
Prices start from €167 EURSave up to €753 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
1.15ct Radiant
€167 EUR