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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG788624698

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788624698

Diamond specifications and retailer prices

From $327 USD
As of October 29, 2026
Save $1,463 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,790 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 LG788624698 or 788624698. Listed at 23 retailers as of October 29, 2026, with prices from $327 to $1,790, a $1,463 spread on the same certified stone. Brilliant Earth lists it at $1,790. 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 angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624698
Dimensions6.59 × 6.60 × 3.91 mm
L/W Ratio1.00
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
6.59 mm6.60 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624698
Side View
Table 58.0%Crown 32.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.3%

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: Oct 29
Current: $1,790 USD|Low: $313 USD|High: $2,310 USD|Avg: $798 USD|-22.5%
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 3$327 USD
Retailer 2$366 USD
Retailer 5$405 USD
Retailer 12$405 USD
Retailer 4$545 USD
Retailer 10$560 USD
Retailer 6$644 USD
Retailer 8$647 USD
Retailer 9$696 USD
Retailer 7$722 USD
Retailer 13$1,001 USD
Retailer 11$1,632 USD
Brilliant Earth$1,790 USD

35 data points across 13 retailers

23 retailers$327 USD to $1,790 USD

A
Cheapest Retailer
-
$327 USD
A
Retailer 2
-
$366 USD
View
Final sale: no returns
A
Retailer 3
-
$379 USD
View
A
Retailer 4
-
$405 USD
View
A
Retailer 5
-
$405 USD
View
A
Retailer 6
-
$448 USD
HK$3,500 HKD
View
B+
Retailer 7
-
$545 USD
View
B+
Retailer 8
-
$560 USD
View
B+
Retailer 9
-
$570 USD
View
B+
Retailer 10
-
$643 USD
View
B+
Retailer 11
-
$644 USD
£507 GBP
View
B+
Retailer 12
-
$647 USD
€616 EUR
View
B+
Retailer 13
-
$696 USD
ZAR 11,240 ZAR
View
B+
Retailer 14
-
$722 USD
£569 GBP
View
B
Retailer 15
-
$1,001 USD
View
B
Retailer 16
-
$1,080 USD
SGD 1,460 SGD
View
Retailer 17
-
$1,088 USD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$1,302 USD
View
B
Retailer 19
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$1,346 USD
View
B
Retailer 20
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$1,459 USD
View
B
Retailer 21
-
$1,597 USD
View
Retailer 22
-
$1,632 USD
£1,285 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20043085A · Oct 30
$1,790 USD
View
22 more retailers have this diamond
Prices start from $327 USDSave up to $1,463 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
$327 USD