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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG709530337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG709530337

Diamond specifications and retailer prices

From €323 EUR
$361 USD
As of October 29, 2026
Save €1,071 EUR (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,395 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG709530337 or 709530337. Listed at 12 retailers as of October 29, 2026, with prices from €323 to €1,395, a €1,071 spread on the same certified stone. Adiamor lists it at €1,395. 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

3.09
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709530337
Dimensions12.08 × 8.14 × 5.08 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.08 mm8.14 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709530337
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: €1,395 EUR|Low: €323 EUR|High: €4,950 EUR|Avg: €1,190 EUR|+1.3%
Adiamor
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
October 31, 2026
Retailer 10€323 EUR
Retailer 5€374 EUR
Retailer 12€400 EUR
Retailer 14€447 EUR
Retailer 11€537 EUR
Retailer 9€547 EUR
Retailer 3€640 EUR
Retailer 13€684 EUR
Retailer 2€715 EUR
Retailer 7€888 EUR
Retailer 8€1,173 EUR
Retailer 4€1,286 EUR
Adiamor€1,395 EUR
Retailer 15€1,839 EUR
Retailer 6€4,950 EUR

5 data points across 15 retailers

12 retailers€323 EUR to €1,395 EUR

A
Cheapest Retailer
-
€323 EUR
$361 USD
A
Retailer 2
-
€374 EUR
$418 USD
View
A
Retailer 3
-
€400 EUR
$447 USD
View
A
Retailer 4
-
€447 EUR
HK$3,900 HKD
View
A
Retailer 5
-
€537 EUR
$600 USD
View
A
Retailer 6
-
€547 EUR
£481 GBP
View
B+
Retailer 7
-
€640 EUR
$715 USD
View
A
Retailer 8
-
€684 EUR
$764 USD
View
A
Retailer 9
-
€715 EUR
£629 GBP
View
B+
Retailer 10
-
€1,173 EUR
$1,311 USD
View
B+
Retailer 11
-
€1,286 EUR
$1,437 USD
View
Most Expensive
B
Adiamor
D-82829006 · Oct 31
€1,395 EUR
$1,558 USD
View
11 more retailers have this diamond
Prices start from €323 EURSave up to €1,071 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
3.09ct Oval
€323 EUR