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Round|Lab Grown|IGI

1.43ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG778645997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645997

Diamond specifications and retailer prices

From $568 USD
As of October 29, 2026
Save $2,602 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,170 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778645997 or 778645997. Listed at 22 retailers as of October 29, 2026, with prices from $568 to $3,170, a $2,602 spread on the same certified stone. Brilliant Earth lists it at $3,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645997
Dimensions7.27 × 7.29 × 4.40 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
7.27 mm7.29 mm1.43 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645997
Side View
Table 56.0%Crown 33.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 60.4%

Caratlytics Score

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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: $3,170 USD|Low: $545 USD|High: $3,650 USD|Avg: $1,364 USD|-13.2%
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 31, 2026
Retailer 14$568 USD
Retailer 6$636 USD
Retailer 3$704 USD
Retailer 15$704 USD
Retailer 12$835 USD
Retailer 5$915 USD
Retailer 7$945 USD
Retailer 8$1,086 USD
Retailer 2$1,176 USD
Retailer 10$1,210 USD
Retailer 13$1,585 USD
Retailer 11$2,000 USD
Retailer 4$2,227 USD
Retailer 9$3,072 USD
Brilliant Earth$3,170 USD

41 data points across 15 retailers

22 retailers$568 USD to $3,170 USD

A
Cheapest Retailer
-
$568 USD
A
Retailer 2
-
$636 USD
View
Final sale: no returns
A
Retailer 3
-
$636 USD
View
A
Retailer 4
-
$704 USD
View
Retailer 5
-
$704 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$768 USD
HK$6,000 HKD
View
A
Retailer 7
-
$835 USD
View
B+
Retailer 8
-
$915 USD
View
B+
Retailer 9
-
$945 USD
View
B+
Retailer 10
-
$1,060 USD
View
B+
Retailer 11
-
$1,086 USD
£855 GBP
View
B+
Retailer 12
-
$1,176 USD
€1,120 EUR
View
B+
Retailer 13
-
$1,210 USD
ZAR 19,542 ZAR
View
B+
Retailer 14
-
$1,585 USD
View
B
Retailer 15
-
$1,851 USD
View
B
Retailer 16
-
$1,978 USD
View
B
Retailer 17
-
$2,000 USD
View
B
Retailer 18
-
$2,227 USD
SGD 3,010 SGD
View
B
Retailer 19
-
$2,281 USD
View
B
Retailer 20
-
$2,367 USD
View
B
Retailer 21
-
$3,072 USD
£2,419 GBP
View
Most Expensive
B
Brilliant Earth
18981283A · Oct 31
$3,170 USD
View
21 more retailers have this diamond
Prices start from $568 USDSave up to $2,602 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
1.43ct Round
$568 USD