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Round|Lab Grown|IGI

1.01ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG400931913

Shape and cutting style on the report: Round brilliant

Certificate IGI LG400931913

Diamond specifications and retailer prices

From $800 USD
As of October 29, 2026
Save $925 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,655 USD at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG400931913 or 400931913. Listed at 14 retailers as of October 29, 2026, with a 116% 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

1.01
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400931913
Dimensions6.43 × 6.40 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.43 mm6.40 mm1.01 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG400931913
Side View
Table 53.0%Crown 35°Girdle: MediumPavilion 41.1°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,856 USD|Low: $800 USD|High: $5,058 USD|Avg: $2,449 USD|+2.7%
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
Yorxs
October 29, 2026
Retailer 9$800 USD
Retailer 8$1,339 USD
Retailer 13$1,499 USD
Retailer 10$1,554 USD
Retailer 12$1,554 USD
Retailer 2$1,725 USD
Retailer 6$1,748 USD
Retailer 3$2,113 USD
Retailer 11$2,457 USD
Yorxs$2,655 USD
Retailer 1$2,856 USD
Retailer 4$2,896 USD
Retailer 14$3,749 USD
Retailer 5$4,448 USD
Retailer 7$5,019 USD

23 data points across 15 retailers

14 retailers$800 USD to $1,725 USD

B
Cheapest Retailer
-
$800 USD
B
Retailer 2
-
$1,339 USD
View
B
Retailer 3
-
$1,457 USD
View
B
Retailer 4
-
$1,499 USD
View
Final sale: no returns
Retailer 5
-
$1,554 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,554 USD
View
B
Retailer 7
-
$1,725 USD
View
Retailer 8
-
$2,457 USD
View
Price under review
Most Expensive
Yorxs
FC71DC84D · Oct 29
$2,655 USD
€2,529 EUR
View
Price under review
8 more retailers have this diamond
Prices start from $800 USDSave up to $925 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.

B
1.01ct Round
$800 USD