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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG669437829

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669437829

Diamond specifications and retailer prices

From €157 EUR
As of November 3, 2026
Save €857 EUR (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,014 EUR at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round 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 LG669437829 or 669437829. Listed at 25 retailers as of November 3, 2026, with prices from €157 to €1,014, a €857 spread on the same certified stone. Flawless Fine Jewelry lists it at €1,014. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669437829
Dimensions6.88 × 6.85 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.85 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669437829
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.4%

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: Nov 3
Current: €1,014 EUR|Low: €148 EUR|High: €1,014 EUR|Avg: €464 EUR
Flawless Fine Jewelry
Retailer 2
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Retailer 23
November 5, 2026
Retailer 6€157 EUR
Retailer 22€175 EUR
Retailer 23€183 EUR
Retailer 12€195 EUR
Retailer 15€195 EUR
Retailer 17€330 EUR
Retailer 19€336 EUR
Retailer 2€345 EUR
Retailer 7€347 EUR
Retailer 5€355 EUR
Retailer 21€361 EUR
Retailer 10€415 EUR
Retailer 4€443 EUR
Retailer 16€466 EUR
Retailer 18€476 EUR
Retailer 9€627 EUR
Retailer 14€660 EUR
Retailer 3€662 EUR
Retailer 11€675 EUR
Retailer 20€790 EUR
Retailer 13€909 EUR
Retailer 8€995 EUR
Flawless Fine Jewelry€1,014 EUR

36 data points across 23 retailers

25 retailers€157 EUR to €1,014 EUR

Retailer 1
-
€154 EUR
Price last confirmed 45 days ago
A
Retailer 2
-
€157 EUR
View
A
Retailer 3
-
€175 EUR
View
Final sale: no returns
Retailer 4
-
€178 EUR
View
Price last confirmed 44 days ago
A
Retailer 5
-
€183 EUR
View
Retailer 6
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€189 EUR
View
Price last confirmed 45 days ago
Retailer 7
-
€195 EUR
View
Price last confirmed 11 days ago
A
Retailer 8
-
€195 EUR
View
A
Retailer 9
-
€330 EUR
View
A
Retailer 10
-
€336 EUR
View
A
Retailer 11
-
€345 EUR
View
A
Retailer 12
-
€347 EUR
View
A
Retailer 13
-
€355 EUR
View
Retailer 14
-
€361 EUR
View
Price last confirmed 7 days ago
B+
Retailer 15
-
€415 EUR
View
B+
Retailer 16
-
€443 EUR
View
B+
Retailer 17
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€476 EUR
View
B
Retailer 18
-
€627 EUR
View
B
Retailer 19
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€660 EUR
View
B
Retailer 20
-
€662 EUR
View
B
Retailer 21
-
€675 EUR
View
B
Retailer 22
-
€790 EUR
View
B
Retailer 23
-
€909 EUR
View
B
Retailer 24
-
€995 EUR
View
Most Expensive
B
Flawless Fine Jewelry
D52129277 · Nov 4
€1,014 EUR
£900 GBP
View
24 more retailers have this diamond
Prices start from €157 EURSave up to €857 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
€157 EUR