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Round|Lab Grown|IGI

1.27ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818644610

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644610

Diamond specifications and retailer prices

From $722 AUD
$507 USD
As of October 29, 2026
Save $3,335 AUD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,057 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.27ct lab-grown round diamond

This 1.27ct 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 LG818644610 or 818644610. Listed at 22 retailers as of October 29, 2026, with prices from $722 to $4,057, a $3,335 spread on the same certified stone. Brilliant Earth lists it at $4,057. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644610
Dimensions6.93 × 6.86 × 4.28 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
6.93 mm6.86 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644610
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: $4,057 AUD|Low: $693 AUD|High: $4,057 AUD|Avg: $1,821 AUD
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
October 30, 2026
Retailer 13$722 AUD
Retailer 14$807 AUD
Retailer 4$895 AUD
Retailer 5$895 AUD
Retailer 10$1,089 AUD
Retailer 8$1,347 AUD
Retailer 2$1,424 AUD
Retailer 7$1,483 AUD
Retailer 9$1,539 AUD
Retailer 12$2,091 AUD
Retailer 3$2,285 AUD
Retailer 6$2,839 AUD
Retailer 11$3,742 AUD
Brilliant Earth$4,057 AUD

37 data points across 14 retailers

22 retailers$722 AUD to $4,057 AUD

A
Cheapest Retailer
-
$722 AUD
$507 USD
A
Retailer 2
-
$807 AUD
$567 USD
View
Final sale: no returns
A
Retailer 3
-
$808 AUD
$568 USD
View
A
Retailer 4
-
$895 AUD
$629 USD
View
Retailer 5
-
$895 AUD
$629 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$984 AUD
HK$5,400 HKD
View
A
Retailer 7
-
$1,089 AUD
$765 USD
View
A
Retailer 8
-
$1,203 AUD
$845 USD
View
B+
Retailer 9
-
$1,224 AUD
$860 USD
View
B+
Retailer 10
-
$1,347 AUD
€901 EUR
View
B+
Retailer 11
-
$1,424 AUD
£788 GBP
View
B+
Retailer 12
-
$1,483 AUD
£821 GBP
View
B+
Retailer 13
-
$1,539 AUD
ZAR 17,463 ZAR
View
B
Retailer 14
-
$2,091 AUD
$1,469 USD
View
Retailer 15
-
$2,285 AUD
$1,605 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$2,354 AUD
$1,654 USD
View
B
Retailer 17
-
$2,839 AUD
SGD 2,695 SGD
View
B
Retailer 18
-
$2,914 AUD
$2,047 USD
View
B
Retailer 19
-
$3,095 AUD
$2,174 USD
View
B
Retailer 20
-
$3,335 AUD
$2,343 USD
View
B
Retailer 21
-
$3,742 AUD
£2,070 GBP
View
Most Expensive
B
Brilliant Earth
21133537A · Oct 29
$4,057 AUD
$2,850 USD
View
21 more retailers have this diamond
Prices start from $722 AUDSave up to $3,335 AUD

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
1.27ct Round
$722 AUD