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Round|Lab Grown|IGI

1.43ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG770641607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770641607

Diamond specifications and retailer prices

From €201 EUR
$224 USD
As of October 29, 2026
Save €937 EUR (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,138 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770641607 or 770641607. Listed at 22 retailers as of October 29, 2026, with prices from €201 to €1,138, a €937 spread on the same certified stone. Reve Diamonds lists it at €1,138. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641607
Dimensions7.23 × 7.16 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.23 mm7.16 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770641607
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 29
Current: €505 EUR|Low: €199 EUR|High: €1,138 EUR|Avg: €519 EUR
Retailer 1
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
Retailer 18
Reve Diamonds
October 31, 2026
Retailer 8€201 EUR
Retailer 13€225 EUR
Retailer 16€233 EUR
Retailer 3€249 EUR
Retailer 4€249 EUR
Retailer 5€423 EUR
Retailer 17€457 EUR
Retailer 12€462 EUR
Retailer 15€471 EUR
Retailer 2€473 EUR
Retailer 11€486 EUR
Retailer 1€505 EUR
Retailer 18€528 EUR
Retailer 6€680 EUR
Retailer 9€800 EUR
Retailer 7€847 EUR
Retailer 10€895 EUR
Retailer 14€1,003 EUR
Reve Diamonds€1,138 EUR

34 data points across 19 retailers

22 retailers€201 EUR to €1,138 EUR

Retailer 1
-
€199 EUR
$222 USD
Price last confirmed 39 days ago
A
Retailer 2
-
€201 EUR
$224 USD
View
A
Retailer 3
-
€225 EUR
$251 USD
View
Final sale: no returns
A
Retailer 4
-
€233 EUR
$260 USD
View
Retailer 5
-
€243 EUR
$272 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
€249 EUR
$278 USD
View
A
Retailer 7
-
€249 EUR
$278 USD
View
B+
Retailer 8
-
€423 EUR
$473 USD
View
B+
Retailer 9
-
€457 EUR
$511 USD
View
B+
Retailer 10
-
€462 EUR
£406 GBP
View
B+
Retailer 11
-
€471 EUR
View
B+
Retailer 12
-
€473 EUR
$528 USD
View
B+
Retailer 13
-
€486 EUR
£428 GBP
View
B+
Retailer 14
-
€505 EUR
A$868 AUD
View
B+
Retailer 15
-
€528 EUR
$590 USD
View
B
Retailer 16
-
€680 EUR
$760 USD
View
Retailer 17
-
€793 EUR
$886 USD
View
Price last confirmed 40 days ago
B
Retailer 18
-
€800 EUR
$894 USD
View
B
Retailer 19
-
€847 EUR
$947 USD
View
B
Retailer 20
-
€895 EUR
$1,000 USD
View
B
Retailer 21
-
€1,003 EUR
£882 GBP
View
Most Expensive
B
Reve Diamonds
9E01CE85A · Oct 30
€1,138 EUR
$1,271 USD
View
21 more retailers have this diamond
Prices start from €201 EURSave up to €937 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
€201 EUR