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Round|Lab Grown|IGI

25.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG803643886

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803643886

Diamond specifications and retailer prices

From €20,778 EUR
£18,279 GBP
As of October 30, 2026
Save €31,533 EUR (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €61,609 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 25.03ct lab-grown round diamond

This 25.03ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803643886 or 803643886. Listed at 15 retailers as of October 29, 2026, with a 152% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

25.03
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803643886
Dimensions18.71 × 18.63 × 11.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.71 mm18.63 mm25.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803643886
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €27,857 EUR|Low: €20,709 EUR|High: €61,609 EUR|Avg: €36,905 EUR
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
Taylor and Hart
October 31, 2026
Retailer 10€20,778 EUR
Retailer 7€21,756 EUR
Retailer 3€23,452 EUR
Retailer 12€24,048 EUR
Retailer 9€24,207 EUR
Retailer 4€26,896 EUR
Retailer 14€27,445 EUR
Retailer 1€27,857 EUR
Retailer 8€28,422 EUR
Retailer 6€29,699 EUR
Retailer 2€40,376 EUR
Retailer 5€49,275 EUR
Retailer 13€52,102 EUR
Retailer 11€52,312 EUR
Taylor and Hart€61,609 EUR

38 data points across 15 retailers

15 retailers€20,778 EUR to €52,312 EUR

B+
Cheapest Retailer
-
€20,778 EUR
£18,279 GBP
B+
Retailer 2
-
€21,756 EUR
$24,306 USD
View
B
Retailer 3
-
€23,452 EUR
$26,201 USD
View
B
Retailer 4
-
€24,048 EUR
$26,867 USD
View
B
Retailer 5
-
€24,207 EUR
$27,044 USD
View
B
Retailer 6
-
€26,896 EUR
$30,048 USD
View
Final sale: no returns
B
Retailer 7
-
€27,445 EUR
$30,662 USD
View
B
Retailer 8
-
€27,857 EUR
$31,122 USD
View
B
Retailer 9
-
€28,422 EUR
£25,002 GBP
View
Retailer 10
-
€29,699 EUR
$33,180 USD
View
Price last confirmed 20 days ago
B
Retailer 11
-
€40,376 EUR
$45,108 USD
View
B
Retailer 12
-
€49,275 EUR
$55,050 USD
View
Retailer 13
-
€52,102 EUR
A$89,552 AUD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€52,312 EUR
View
Most Expensive
Taylor and Hart
M730BY7 · Oct 30
€61,609 EUR
$68,829 USD
View
Price under review
14 more retailers have this diamond
Prices start from €20,778 EURSave up to €31,533 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.

B+
25.03ct Round
€20,778 EUR