CaratHunter
Plans
Round|Lab Grown|IGI

1.15ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436074487

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074487

Diamond specifications and retailer prices

From €734 EUR
$820 USD
As of October 31, 2026
Save €3,552 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,286 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074487 or 436074487. Listed at 12 retailers as of October 29, 2026, with prices from €734 to €4,286, a €3,552 spread on the same certified stone. MOH London lists it at €4,286. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074487
Dimensions6.77 × 6.79 × 4.06 mm
L/W Ratio1.00
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
6.77 mm6.79 mm1.15 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074487
Side View
Table 60.0%Crown 33.1°GirdlePavilion 40.7°Culet: NoneDepth 59.8%

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: €4,286 EUR|Low: €734 EUR|High: €4,314 EUR|Avg: €2,053 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6€734 EUR
Retailer 5€1,144 EUR
Retailer 10€1,281 EUR
Retailer 7€1,327 EUR
Retailer 9€1,327 EUR
Retailer 11€1,481 EUR
Retailer 12€1,821 EUR
Retailer 8€2,100 EUR
Retailer 2€2,264 EUR
Retailer 3€2,473 EUR
Retailer 4€3,799 EUR
MOH London€4,286 EUR

21 data points across 12 retailers

12 retailers€734 EUR to €4,286 EUR

A
Cheapest Retailer
-
€734 EUR
$820 USD
B+
Retailer 2
-
€1,144 EUR
$1,278 USD
View
B+
Retailer 3
-
€1,244 EUR
$1,390 USD
View
B+
Retailer 4
-
€1,281 EUR
$1,431 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,327 EUR
$1,482 USD
View
Retailer 6
-
€1,327 EUR
$1,482 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,481 EUR
$1,655 USD
View
B
Retailer 8
-
€2,100 EUR
$2,346 USD
View
B
Retailer 9
-
€2,264 EUR
View
B
Retailer 10
-
€2,473 EUR
$2,763 USD
View
B
Retailer 11
-
€2,487 EUR
$2,779 USD
View
Most Expensive
B
MOH London
LG436074487 · Oct 29
€4,286 EUR
£3,770 GBP
View
11 more retailers have this diamond
Prices start from €734 EURSave up to €3,552 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 Round
€734 EUR