CaratHunter
Plans
Oval|Lab Grown|IGI

1.09ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG770640922

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770640922

Diamond specifications and retailer prices

From €159 EUR
$178 USD
As of October 29, 2026
Save €845 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,004 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770640922 or 770640922. Listed at 19 retailers as of October 29, 2026, with prices from €159 to €1,004, a €845 spread on the same certified stone. Reve Diamonds lists it at €1,004. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640922
Dimensions8.51 × 5.85 × 3.52 mm
L/W Ratio1.45
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
8.51 mm5.85 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640922
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.2%

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: €354 EUR|Low: €124 EUR|High: €1,004 EUR|Avg: €447 EUR|+5.7%
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
Reve Diamonds
October 31, 2026
Retailer 5€159 EUR
Retailer 3€178 EUR
Retailer 12€184 EUR
Retailer 7€197 EUR
Retailer 16€197 EUR
Retailer 13€303 EUR
Retailer 15€350 EUR
Retailer 1€354 EUR
Retailer 11€378 EUR
Retailer 14€414 EUR
Retailer 9€447 EUR
Retailer 2€518 EUR
Retailer 8€528 EUR
Retailer 4€634 EUR
Retailer 6€682 EUR
Retailer 10€926 EUR
Reve Diamonds€1,004 EUR

45 data points across 17 retailers

19 retailers€159 EUR to €1,004 EUR

Retailer 1
-
€158 EUR
$176 USD
Price last confirmed 39 days ago
A
Retailer 2
-
€159 EUR
$178 USD
View
A
Retailer 3
-
€178 EUR
$199 USD
View
Final sale: no returns
A
Retailer 4
-
€184 EUR
$206 USD
View
Retailer 5
-
€193 EUR
$216 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
€197 EUR
$220 USD
View
A
Retailer 7
-
€197 EUR
$220 USD
View
A
Retailer 8
-
€303 EUR
$339 USD
View
A
Retailer 9
-
€350 EUR
$391 USD
View
A
Retailer 10
-
€354 EUR
£312 GBP
View
B+
Retailer 11
-
€378 EUR
View
B+
Retailer 12
-
€414 EUR
$463 USD
View
B+
Retailer 13
-
€447 EUR
A$768 AUD
View
B
Retailer 14
-
€518 EUR
$579 USD
View
B+
Retailer 15
-
€528 EUR
$590 USD
View
B
Retailer 16
-
€634 EUR
$708 USD
View
B
Retailer 17
-
€682 EUR
$762 USD
View
B
Retailer 18
-
€926 EUR
£815 GBP
View
Most Expensive
B
Reve Diamonds
050915544 · Oct 30
€1,004 EUR
$1,122 USD
View
18 more retailers have this diamond
Prices start from €159 EURSave up to €845 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
1.09ct Oval
€159 EUR