Round|Lab Grown|IGI

1.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG809654649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809654649

Diamond specifications and retailer prices

From $176 USD
As of October 29, 2026
Save $846 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,380 USD at Brilliant Earth · As of October 23, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809654649 or 809654649. Listed at 21 retailers as of October 26, 2026, with a 481% 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
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809654649
Dimensions6.42 × 6.44 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm6.44 mm1.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809654649
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,380 USD|Low: $169 USD|High: $1,380 USD|Avg: $470 USD|+2.2%
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
October 30, 2026
Retailer 14$176 USD
Retailer 4$204 USD
Retailer 3$218 USD
Retailer 7$218 USD
Retailer 15$256 USD
Retailer 5$308 USD
Retailer 8$366 USD
Retailer 11$375 USD
Retailer 10$382 USD
Retailer 9$391 USD
Retailer 13$533 USD
Retailer 2$542 USD
Retailer 6$702 USD
Retailer 12$1,022 USD
Brilliant Earth$1,380 USD

36 data points across 15 retailers

21 retailers$176 USD to $1,022 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$204 USD
View
A
Retailer 3
-
$218 USD
View
A
Retailer 4
-
$218 USD
View
A
Retailer 5
-
$256 USD
HK$2,000 HKD
View
B+
Retailer 6
-
$308 USD
View
A
Retailer 7
-
$366 USD
£288 GBP
View
A
Retailer 8
-
$375 USD
ZAR 6,059 ZAR
View
A
Retailer 9
-
$382 USD
€364 EUR
View
A
Retailer 10
-
$391 USD
£308 GBP
View
B+
Retailer 11
-
$459 USD
View
B+
Retailer 12
-
$533 USD
A$820 AUD
View
B+
Retailer 13
-
$542 USD
View
B+
Retailer 14
-
$606 USD
View
B+
Retailer 15
-
$630 USD
SGD 851 SGD
View
B+
Retailer 16
-
$702 USD
View
B+
Retailer 17
-
$757 USD
View
B
Retailer 18
-
$775 USD
View
Retailer 19
-
$999 USD
View
Price last confirmed 89 days ago
B
Retailer 20
-
$1,022 USD
£805 GBP
View
Most Expensive
Brilliant Earth
20615425A · Oct 23
$1,380 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $176 USDSave up to $846 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
$176 USD