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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 $166 USD
As of October 29, 2026
Save $934 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,100 USD at Helzberg Diamonds · As of October 29, 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 $166 to $1,100, a $934 spread on the same certified stone. Helzberg Diamonds lists it at $1,100. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $356 USD|Low: $158 USD|High: $1,085 USD|Avg: $431 USD|-0.9%
Retailer 1
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Retailer 19
October 30, 2026
Retailer 8$166 USD
Retailer 6$186 USD
Retailer 16$193 USD
Retailer 2$206 USD
Retailer 5$206 USD
Retailer 14$354 USD
Retailer 1$356 USD
Retailer 12$364 USD
Retailer 13$368 USD
Retailer 3$371 USD
Retailer 11$400 USD
Retailer 19$447 USD
Retailer 15$502 USD
Retailer 10$520 USD
Retailer 17$537 USD
Retailer 9$662 USD
Retailer 7$717 USD
Retailer 18$968 USD
Retailer 4$1,085 USD

38 data points across 19 retailers

22 retailers$166 USD to $1,100 USD

A
Cheapest Retailer
-
$166 USD
A
Retailer 2
-
$186 USD
View
Final sale: no returns
A
Retailer 3
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$193 USD
View
A
Retailer 4
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$206 USD
View
A
Retailer 5
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$206 USD
View
A
Retailer 6
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$288 USD
View
B+
Retailer 7
-
$354 USD
ZAR 5,711 ZAR
View
B+
Retailer 8
-
$356 USD
£281 GBP
View
B+
Retailer 9
-
$364 USD
£287 GBP
View
B+
Retailer 10
-
$368 USD
€350 EUR
View
B+
Retailer 11
-
$371 USD
View
Retailer 12
-
$400 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
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$447 USD
View
B+
Retailer 14
-
$502 USD
A$772 AUD
View
B+
Retailer 15
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$520 USD
View
B+
Retailer 16
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$537 USD
View
B
Retailer 17
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$662 USD
View
B
Retailer 18
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$708 USD
View
B
Retailer 19
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$717 USD
View
B
Retailer 20
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$968 USD
£762 GBP
View
B
Retailer 21
-
$1,085 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOHMMGMMJO · Oct 29
$1,100 USD
View
21 more retailers have this diamond
Prices start from $166 USDSave up to $934 USD

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
$166 USD