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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816615410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615410

Diamond specifications and retailer prices

From $227 USD
As of October 29, 2026
Save $1,293 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,520 USD at Brilliant Earth · As of October 29, 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 LG816615410 or 816615410. Listed at 18 retailers as of October 29, 2026, with prices from $227 to $1,520, a $1,293 spread on the same certified stone. Brilliant Earth lists it at $1,520. 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 angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615410
Dimensions6.52 × 6.46 × 3.96 mm
L/W Ratio1.01
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
6.52 mm6.46 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615410
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.0%

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: $1,520 USD|Low: $253 USD|High: $1,560 USD|Avg: $708 USD|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9$253 USD
Retailer 11$263 USD
Retailer 6$474 USD
Retailer 12$479 USD
Retailer 7$484 USD
Retailer 2$524 USD
Retailer 13$534 USD
Retailer 4$765 USD
Retailer 10$908 USD
Retailer 3$958 USD
Retailer 5$988 USD
Retailer 8$1,130 USD
Brilliant Earth$1,520 USD

45 data points across 13 retailers

18 retailers$227 USD to $1,520 USD

A+
Cheapest Retailer
-
$227 USD
A
Retailer 2
-
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$263 USD
View
A
Retailer 4
-
$282 USD
View
A
Retailer 5
-
$282 USD
View
Retailer 6
-
$284 USD
View
Price last confirmed 53 days ago
A
Retailer 7
-
$474 USD
€451 EUR
View
A
Retailer 8
-
$479 USD
View
A
Retailer 9
-
$484 USD
ZAR 7,814 ZAR
View
A
Retailer 10
-
$524 USD
£413 GBP
View
A
Retailer 11
-
$534 USD
View
B+
Retailer 12
-
$765 USD
SGD 1,034 SGD
View
B+
Retailer 13
-
$905 USD
View
B+
Retailer 14
-
$908 USD
View
B+
Retailer 15
-
$958 USD
View
B
Retailer 16
-
$981 USD
View
B+
Retailer 17
-
$1,130 USD
£890 GBP
View
Most Expensive
B
Brilliant Earth
21422035A · Oct 29
$1,520 USD
View
17 more retailers have this diamond
Prices start from $227 USDSave up to $1,293 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
$227 USD