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Round|Lab Grown|IGI

1.00ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG788673956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788673956

Diamond specifications and retailer prices

From €226 EUR
$252 USD
As of October 30, 2026
Save €90 EUR (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €555 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788673956 or 788673956. Listed at 3 retailers as of October 27, 2026, with a 40% 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

1.00
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788673956
Dimensions6.53 × 6.50 × 3.88 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
6.53 mm6.50 mm1.00 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788673956
Side View
Table 59.0%Crown 32.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.5%

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: €555 EUR|Low: €226 EUR|High: €570 EUR|Avg: €388 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3€226 EUR
Retailer 4€259 EUR
Retailer 2€316 EUR
Retailer 5€494 EUR
Brilliant Earth€555 EUR
Retailer 6€570 EUR

4 data points across 6 retailers

3 retailers€226 EUR to €316 EUR

B+
Cheapest Retailer
-
€226 EUR
$252 USD
B+
Retailer 2
-
€316 EUR
View
Most Expensive
Brilliant Earth
20915126A · Oct 22
€555 EUR
$620 USD
View
Price last confirmed 9 days ago
2 more retailers have this diamond
Prices start from €226 EURSave up to €90 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+
1.00ct Round
€226 EUR