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Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG770629305

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770629305

Diamond specifications and retailer prices

From $146 USD
As of November 5, 2026
Save $876 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,022 USD at Reve Diamonds · As of November 4, 2026
View at Reve 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770629305 or 770629305. Listed at 17 retailers as of November 4, 2026, with prices from $146 to $1,022, a $876 spread on the same certified stone. Reve Diamonds lists it at $1,022. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770629305
Dimensions6.49 × 6.52 × 3.91 mm
L/W Ratio1.00
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
6.49 mm6.52 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770629305
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.1%

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: Nov 5
Current: $307 USD|Low: $140 USD|High: $858 USD|Avg: $337 USD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$146 USD
Retailer 11$164 USD
Retailer 2$170 USD
Retailer 10$181 USD
Retailer 1$307 USD
Retailer 5$310 USD
Retailer 3$361 USD
Retailer 9$405 USD
Retailer 7$457 USD
Retailer 6$570 USD
Retailer 4$845 USD

44 data points across 11 retailers

17 retailers$146 USD to $1,022 USD

A
Cheapest Retailer
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$146 USD
A
Retailer 2
-
$164 USD
View
Final sale: no returns
A
Retailer 3
-
$170 USD
View
A
Retailer 4
-
$181 USD
View
A
Retailer 5
-
$204 USD
View
B+
Retailer 6
-
$255 USD
View
A
Retailer 7
-
$287 USD
View
A
Retailer 8
-
$307 USD
View
A
Retailer 9
-
$310 USD
View
B+
Retailer 10
-
$361 USD
View
Retailer 11
-
$405 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$457 USD
View
B+
Retailer 13
-
$498 USD
View
B
Retailer 14
-
$570 USD
View
B
Retailer 15
-
$638 USD
View
B
Retailer 16
-
$845 USD
View
Most Expensive
B
Reve Diamonds
77B3F1C9D · Nov 4
$1,022 USD
View
16 more retailers have this diamond
Prices start from $146 USDSave up to $876 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
1.01ct Round
$146 USD