Round|Lab Grown|IGI

1.23ct I IF Round Lab Grown Diamond

ID • I/IF • IGI LG837612222

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837612222

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of October 29, 2026
Save €739 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,088 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837612222 or 837612222. Listed at 15 retailers as of October 29, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837612222
Dimensions6.90 × 6.96 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
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 Light Blue
Top View
6.90 mm6.96 mm1.23 ctI / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837612222
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.9%

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: €1,088 EUR|Low: €177 EUR|High: €1,088 EUR|Avg: €496 EUR
Rare Carat
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 30, 2026
Retailer 12€184 EUR
Retailer 15€207 EUR
Retailer 3€214 EUR
Retailer 11€229 EUR
Retailer 13€229 EUR
Retailer 4€318 EUR
Retailer 2€345 EUR
Retailer 9€387 EUR
Retailer 6€448 EUR
Retailer 14€736 EUR
Retailer 10€738 EUR
Retailer 7€784 EUR
Retailer 5€828 EUR
Retailer 8€923 EUR
Rare Carat€1,088 EUR

31 data points across 15 retailers

15 retailers€184 EUR to €923 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
A
Retailer 2
-
€207 EUR
$231 USD
View
Final sale: no returns
A
Retailer 3
-
€214 EUR
$239 USD
View
A
Retailer 4
-
€229 EUR
$256 USD
View
A
Retailer 5
-
€229 EUR
$256 USD
View
B+
Retailer 6
-
€318 EUR
$355 USD
View
A
Retailer 7
-
€345 EUR
£304 GBP
View
Retailer 8
-
€387 EUR
ZAR 6,987 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€448 EUR
$500 USD
View
B
Retailer 10
-
€736 EUR
$822 USD
View
B
Retailer 11
-
€738 EUR
$825 USD
View
B
Retailer 12
-
€784 EUR
$876 USD
View
B
Retailer 13
-
€828 EUR
$925 USD
View
B
Retailer 14
-
€923 EUR
£812 GBP
View
Most Expensive
Rare Carat
VK9166_l_837612222 · Oct 21
€1,088 EUR
$1,215 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from €184 EURSave up to €739 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
1.23ct Round
€184 EUR