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Round|Lab Grown|IGI

10.03ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG812603085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812603085

Diamond specifications and retailer prices

From €1,583 EUR
$1,769 USD
As of October 29, 2026
Save €4,856 EUR (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €6,440 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 10.03ct lab-grown round diamond

This 10.03ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812603085 or 812603085. Listed at 15 retailers as of October 29, 2026, with prices from €1,583 to €6,440, a €4,856 spread on the same certified stone. Taylor and Hart lists it at €6,440. 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

10.03
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812603085
Dimensions13.89 × 13.84 × 8.50 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
13.89 mm13.84 mm10.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812603085
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: €1,987 EUR|Low: €1,266 EUR|High: €6,440 EUR|Avg: €2,886 EUR|-34.1%
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 11€1,583 EUR
Retailer 7€1,644 EUR
Retailer 12€1,723 EUR
Retailer 5€1,773 EUR
Retailer 2€1,837 EUR
Retailer 13€1,837 EUR
Retailer 1€1,987 EUR
Retailer 4€2,321 EUR
Retailer 8€2,843 EUR
Retailer 14€2,881 EUR
Retailer 10€3,089 EUR
Retailer 9€3,409 EUR
Retailer 3€3,443 EUR
Retailer 6€5,403 EUR
Taylor and Hart€6,440 EUR

41 data points across 15 retailers

15 retailers€1,583 EUR to €6,440 EUR

A
Cheapest Retailer
-
€1,583 EUR
$1,769 USD
A
Retailer 2
-
€1,644 EUR
£1,446 GBP
View
A
Retailer 3
-
€1,723 EUR
$1,925 USD
View
A
Retailer 4
-
€1,773 EUR
$1,981 USD
View
Final sale: no returns
Retailer 5
-
€1,837 EUR
$2,052 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€1,837 EUR
$2,052 USD
View
A
Retailer 7
-
€1,987 EUR
$2,220 USD
View
A
Retailer 8
-
€2,321 EUR
$2,593 USD
View
A
Retailer 9
-
€2,843 EUR
ZAR 51,316 ZAR
View
A
Retailer 10
-
€2,881 EUR
$3,219 USD
View
A
Retailer 11
-
€3,089 EUR
$3,451 USD
View
Retailer 12
-
€3,409 EUR
A$5,859 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
€3,443 EUR
$3,846 USD
View
B+
Retailer 14
-
€5,403 EUR
$6,036 USD
View
Most Expensive
B
Taylor and Hart
A3KOMY7 · Oct 30
€6,440 EUR
$7,194 USD
View
14 more retailers have this diamond
Prices start from €1,583 EURSave up to €4,856 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
10.03ct Round
€1,583 EUR