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Princess|Lab Grown|IGI

1.23ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG720537907

Shape and cutting style on the report: Princess cut

Certificate IGI LG720537907

Diamond specifications and retailer prices

From €177 EUR
$198 USD
As of November 2, 2026
Save €1,692 EUR (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,868 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown princess diamond

This 1.23ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720537907 or 720537907. Listed at 15 retailers as of October 27, 2026, with prices from €177 to €1,868, a €1,692 spread on the same certified stone. Queensmith lists it at €1,868. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720537907
Dimensions5.88 × 5.85 × 4.03 mm
L/W Ratio1.01
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
5.88 mm5.85 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720537907
Side View
Table 68.0%Crown 44.2°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 68.9%

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: Nov 2
Current: €535 EUR|Low: €176 EUR|High: €1,038 EUR|Avg: €488 EUR|+0.9%
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
November 2, 2026
Retailer 7€177 EUR
Retailer 2€196 EUR
Retailer 13€203 EUR
Retailer 11€218 EUR
Retailer 4€296 EUR
Retailer 8€375 EUR
Retailer 6€398 EUR
Retailer 5€426 EUR
Retailer 1€535 EUR
Retailer 12€699 EUR
Retailer 10€701 EUR
Retailer 3€747 EUR
Retailer 9€1,016 EUR

41 data points across 13 retailers

15 retailers€177 EUR to €1,868 EUR

A
Cheapest Retailer
-
€177 EUR
$198 USD
A
Retailer 2
-
€196 EUR
$220 USD
View
Final sale: no returns
A
Retailer 3
-
€203 EUR
$228 USD
View
A
Retailer 4
-
€218 EUR
$244 USD
View
Retailer 5
-
€219 EUR
$246 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€296 EUR
$332 USD
View
A
Retailer 7
-
€375 EUR
ZAR 6,799 ZAR
View
A
Retailer 8
-
€398 EUR
£352 GBP
View
A
Retailer 9
-
€426 EUR
$478 USD
View
Retailer 10
-
€535 EUR
A$923 AUD
View
B+
Retailer 11
-
€699 EUR
$784 USD
View
B+
Retailer 12
-
€701 EUR
$786 USD
View
B
Retailer 13
-
€747 EUR
$837 USD
View
B
Retailer 14
-
€1,016 EUR
£897 GBP
View
Most Expensive
B
Queensmith
LG720537907 · Oct 27
€1,868 EUR
£1,650 GBP
View
14 more retailers have this diamond
Prices start from €177 EURSave up to €1,692 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 Princess
€177 EUR