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Round|Lab Grown|IGI

1.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG729569773

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729569773

Diamond specifications and retailer prices

From $215 USD
As of November 1, 2026
Save $1,175 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,710 USD at Brilliant Earth · As of October 22, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729569773 or 729569773. Listed at 23 retailers as of October 31, 2026, with a 547% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569773
Dimensions6.41 × 6.48 × 3.98 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
6.41 mm6.48 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569773
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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 1
Current: $1,390 USD|Low: $215 USD|High: $1,850 USD|Avg: $642 USD|-24.9%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 3$215 USD
Retailer 7$230 USD
Retailer 4$322 USD
Retailer 10$406 USD
Retailer 2$412 USD
Retailer 9$430 USD
Retailer 5$473 USD
Retailer 16$477 USD
Retailer 11$538 USD
Retailer 12$572 USD
Retailer 15$582 USD
Retailer 14$729 USD
Retailer 6$820 USD
Retailer 8$905 USD
Retailer 13$1,120 USD
Brilliant Earth$1,390 USD

41 data points across 16 retailers

23 retailers$215 USD to $1,390 USD

Retailer 1
-
$198 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$215 USD
View
Final sale: no returns
Retailer 3
-
$230 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$246 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$246 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$248 USD
View
Price last confirmed 47 days ago
A
Retailer 7
-
$322 USD
View
A
Retailer 8
-
$406 USD
€387 EUR
View
A
Retailer 9
-
$412 USD
ZAR 6,648 ZAR
View
A
Retailer 10
-
$430 USD
£338 GBP
View
B+
Retailer 11
-
$473 USD
View
B+
Retailer 12
-
$477 USD
View
B+
Retailer 13
-
$538 USD
A$828 AUD
View
B+
Retailer 14
-
$572 USD
View
B+
Retailer 15
-
$582 USD
A$895 AUD
View
B+
Retailer 16
-
$607 USD
View
B+
Retailer 17
-
$729 USD
A$1,122 AUD
View
Retailer 18
-
$790 USD
View
Price last confirmed 15 days ago
B+
Retailer 19
-
$820 USD
View
Retailer 20
-
$905 USD
View
Price last confirmed 26 days ago
B
Retailer 21
-
$1,120 USD
£882 GBP
View
B
Retailer 22
-
$1,390 USD
View
Most Expensive
Brilliant Earth
16131409A · Oct 22
$1,710 USD
View
Price last confirmed 10 days ago
22 more retailers have this diamond
Prices start from $215 USDSave up to $1,175 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
$215 USD