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Round|Lab Grown|IGI

1.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG816606638

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816606638

Diamond specifications and retailer prices

From €149 EUR
$166 USD
As of October 29, 2026
Save €836 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €985 EUR at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816606638 or 816606638. Listed at 22 retailers as of October 29, 2026, with prices from €149 to €985, a €836 spread on the same certified stone. Helzberg Diamonds lists it at €985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816606638
Dimensions6.41 × 6.38 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.41 mm6.38 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816606638
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: €326 EUR|Low: €141 EUR|High: €971 EUR|Avg: €386 EUR|+6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
October 31, 2026
Retailer 8€149 EUR
Retailer 6€166 EUR
Retailer 16€173 EUR
Retailer 2€184 EUR
Retailer 5€184 EUR
Retailer 14€316 EUR
Retailer 12€319 EUR
Retailer 1€326 EUR
Retailer 13€329 EUR
Retailer 3€332 EUR
Retailer 11€358 EUR
Retailer 19€400 EUR
Retailer 15€449 EUR
Retailer 10€465 EUR
Retailer 17€481 EUR
Retailer 9€593 EUR
Retailer 7€641 EUR
Retailer 18€866 EUR
Retailer 4€971 EUR

38 data points across 19 retailers

22 retailers€149 EUR to €985 EUR

A
Cheapest Retailer
-
€149 EUR
$166 USD
A
Retailer 2
-
€166 EUR
$186 USD
View
Final sale: no returns
A
Retailer 3
-
€173 EUR
$193 USD
View
A
Retailer 4
-
€184 EUR
$206 USD
View
A
Retailer 5
-
€184 EUR
$206 USD
View
A
Retailer 6
-
€258 EUR
$288 USD
View
B+
Retailer 7
-
€316 EUR
ZAR 5,711 ZAR
View
B+
Retailer 8
-
€319 EUR
£281 GBP
View
B+
Retailer 9
-
€326 EUR
£287 GBP
View
B+
Retailer 10
-
€329 EUR
View
B+
Retailer 11
-
€332 EUR
$371 USD
View
Retailer 12
-
€358 EUR
$400 USD
View
Price last confirmed 27 days ago
B+
Retailer 13
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€400 EUR
$447 USD
View
B+
Retailer 14
-
€449 EUR
A$772 AUD
View
B+
Retailer 15
-
€465 EUR
$520 USD
View
B+
Retailer 16
-
€481 EUR
$537 USD
View
B
Retailer 17
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€593 EUR
$662 USD
View
B
Retailer 18
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€634 EUR
$708 USD
View
B
Retailer 19
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€641 EUR
$717 USD
View
B
Retailer 20
-
€866 EUR
£762 GBP
View
B
Retailer 21
-
€971 EUR
$1,085 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOHMMGMMJO · Oct 31
€985 EUR
$1,100 USD
View
21 more retailers have this diamond
Prices start from €149 EURSave up to €836 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
1.00ct Round
€149 EUR