Round|Lab Grown|IGI

3.03ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG850692076

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850692076

Diamond specifications and retailer prices

From $366 USD
As of November 5, 2026
Save $1,358 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,786 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850692076 or 850692076. Listed at 18 retailers as of November 4, 2026, with a 371% 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

3.03
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850692076
Dimensions9.29 × 9.35 × 5.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm9.35 mm3.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850692076
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.2%

Caratlytics Score

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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: $1,786 USD|Low: $366 USD|High: $1,786 USD|Avg: $909 USD
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3$366 USD
Retailer 8$410 USD
Retailer 14$425 USD
Retailer 7$454 USD
Retailer 15$512 USD
Retailer 2$603 USD
Retailer 4$605 USD
Retailer 16$610 USD
Retailer 5$715 USD
Retailer 6$769 USD
Retailer 11$809 USD
Retailer 13$1,068 USD
Retailer 18$1,080 USD
Retailer 12$1,461 USD
Retailer 10$1,477 USD
Retailer 9$1,500 USD
Retailer 17$1,724 USD
MOH London$1,786 USD

9 data points across 18 retailers

18 retailers$366 USD to $1,724 USD

A
Cheapest Retailer
-
$366 USD
A
Retailer 2
-
$410 USD
View
Final sale: no returns
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$454 USD
View
A
Retailer 5
-
$512 USD
View
A
Retailer 6
-
$603 USD
View
A
Retailer 7
-
$605 USD
View
B+
Retailer 8
-
$610 USD
View
Retailer 9
-
$715 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$769 USD
View
A
Retailer 11
-
$809 USD
View
B+
Retailer 12
-
$1,068 USD
View
B+
Retailer 13
-
$1,080 USD
View
B+
Retailer 14
-
$1,461 USD
View
B+
Retailer 15
-
$1,477 USD
View
B+
Retailer 16
-
$1,500 USD
View
B
Retailer 17
-
$1,724 USD
View
Most Expensive
MOH London
LG850692076 · Oct 29
$1,786 USD
£1,406 GBP
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $366 USDSave up to $1,358 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
3.03ct Round
$366 USD