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Round|Lab Grown|IGI

1.43ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436046485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046485

Diamond specifications and retailer prices

From €644 EUR
$719 USD
As of October 29, 2026
Save €2,303 EUR (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,946 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046485 or 436046485. Listed at 10 retailers as of October 29, 2026, with prices from €644 to €2,946, a €2,303 spread on the same certified stone. MOH London lists it at €2,946. 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

1.43
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046485
Dimensions7.27 × 7.24 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.27 mm7.24 mm1.43 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046485
Side View
Table 60.5%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

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 29
Current: €2,946 EUR|Low: €618 EUR|High: €2,970 EUR|Avg: €1,256 EUR|-0.7%
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 30, 2026
Retailer 6€644 EUR
Retailer 9€700 EUR
Retailer 11€721 EUR
Retailer 2€725 EUR
Retailer 7€747 EUR
Retailer 3€766 EUR
Retailer 12€1,189 EUR
Retailer 8€1,211 EUR
Retailer 4€1,670 EUR
Retailer 5€1,839 EUR
Retailer 10€2,098 EUR
MOH London€2,946 EUR

18 data points across 12 retailers

10 retailers€644 EUR to €2,946 EUR

A
Cheapest Retailer
-
€644 EUR
$719 USD
A
Retailer 2
-
€700 EUR
$782 USD
View
A
Retailer 3
-
€721 EUR
$805 USD
View
Final sale: no returns
A
Retailer 4
-
€725 EUR
$810 USD
View
A
Retailer 5
-
€747 EUR
$834 USD
View
Retailer 6
-
€747 EUR
$834 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,211 EUR
$1,353 USD
View
B
Retailer 8
-
€1,839 EUR
$2,054 USD
View
B
Retailer 9
-
€2,098 EUR
$2,344 USD
View
Most Expensive
B
MOH London
LG436046485 · Oct 29
€2,946 EUR
£2,592 GBP
View
9 more retailers have this diamond
Prices start from €644 EURSave up to €2,303 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
1.43ct Round
€644 EUR