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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816612541

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612541

Diamond specifications and retailer prices

From $229 USD
As of October 29, 2026
Save $1,061 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,290 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612541 or 816612541. Listed at 19 retailers as of October 29, 2026, with prices from $229 to $1,290, a $1,061 spread on the same certified stone. Brilliant Earth lists it at $1,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612541
Dimensions6.53 × 6.51 × 3.99 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
6.53 mm6.51 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612541
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,290 USD|Low: $229 USD|High: $1,520 USD|Avg: $636 USD|-15.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 10$229 USD
Retailer 5$255 USD
Retailer 6$265 USD
Retailer 4$283 USD
Retailer 11$289 USD
Retailer 16$400 USD
Retailer 12$451 USD
Retailer 14$474 USD
Retailer 18$487 USD
Retailer 13$528 USD
Retailer 19$535 USD
Retailer 8$592 USD
Retailer 7$615 USD
Retailer 2$736 USD
Retailer 3$911 USD
Retailer 9$964 USD
Retailer 15$1,142 USD
Retailer 17$1,285 USD
Brilliant Earth$1,290 USD

28 data points across 19 retailers

19 retailers$229 USD to $1,290 USD

A+
Cheapest Retailer
-
$229 USD
A
Retailer 2
-
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$265 USD
View
A
Retailer 4
-
$283 USD
View
Retailer 5
-
$289 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$400 USD
View
A
Retailer 7
-
$451 USD
£355 GBP
View
A
Retailer 8
-
$474 USD
€451 EUR
View
A
Retailer 9
-
$487 USD
ZAR 7,868 ZAR
View
A
Retailer 10
-
$528 USD
£416 GBP
View
A
Retailer 11
-
$535 USD
View
B+
Retailer 12
-
$592 USD
View
B+
Retailer 13
-
$615 USD
View
B+
Retailer 14
-
$736 USD
View
B+
Retailer 15
-
$911 USD
View
B+
Retailer 16
-
$964 USD
View
B+
Retailer 17
-
$1,142 USD
£899 GBP
View
B
Retailer 18
-
$1,285 USD
View
Most Expensive
B
Brilliant Earth
21018373A · Oct 30
$1,290 USD
View
18 more retailers have this diamond
Prices start from $229 USDSave up to $1,061 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+
1.03ct Round
$229 USD