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Round|Lab Grown|IGI

1.01ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG474115414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474115414

Diamond specifications and retailer prices

From $600 USD
As of November 5, 2026
Save $717 USD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,996 USD at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474115414 or 474115414. Listed at 11 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474115414
Dimensions6.52 × 6.47 × 3.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.52 mm6.47 mm1.01 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474115414
Side View
Table 54.0%Crown 31.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.2%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $1,996 USD|Low: $600 USD|High: $3,220 USD|Avg: $1,327 USD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$600 USD
Retailer 4$699 USD
Retailer 10$760 USD
Retailer 9$781 USD
Retailer 6$810 USD
Retailer 2$1,281 USD
Retailer 7$1,317 USD
Friendly Diamonds$1,996 USD
Retailer 8$2,279 USD
Retailer 3$3,182 USD

42 data points across 10 retailers

11 retailers$600 USD to $1,317 USD

B
Cheapest Retailer
-
$600 USD
B
Retailer 2
-
$699 USD
View
B
Retailer 3
-
$760 USD
View
B
Retailer 4
-
$781 USD
View
Final sale: no returns
B
Retailer 5
-
$810 USD
View
Retailer 6
-
$810 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,281 USD
View
B
Retailer 8
-
$1,317 USD
View
Most Expensive
Friendly Diamonds
1590221 · Nov 4
$1,996 USD
View
Price under review
8 more retailers have this diamond
Prices start from $600 USDSave up to $717 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
$600 USD