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Round|Lab Grown|IGI

1.27ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770638363

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638363

Diamond specifications and retailer prices

From $585 AUD
$411 USD
As of October 29, 2026
Save $3,458 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,043 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 LG770638363 or 770638363. Listed at 22 retailers as of October 29, 2026, with prices from $585 to $4,043, a $3,458 spread on the same certified stone. Brilliant Earth lists it at $4,043. 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 angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638363
Dimensions6.91 × 6.95 × 4.24 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
6.91 mm6.95 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638363
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.2%

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: $4,043 AUD|Low: $562 AUD|High: $4,043 AUD|Avg: $1,419 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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 15$585 AUD
Retailer 6$656 AUD
Retailer 8$656 AUD
Retailer 3$726 AUD
Retailer 17$726 AUD
Retailer 13$932 AUD
Retailer 9$975 AUD
Retailer 5$1,056 AUD
Retailer 2$1,191 AUD
Retailer 11$1,220 AUD
Retailer 12$1,248 AUD
Retailer 14$1,751 AUD
Retailer 16$2,285 AUD
Retailer 4$2,309 AUD
Retailer 7$2,335 AUD
Retailer 10$2,853 AUD
Brilliant Earth$4,043 AUD

42 data points across 17 retailers

22 retailers$585 AUD to $4,043 AUD

A
Cheapest Retailer
-
$585 AUD
$411 USD
A
Retailer 2
-
$656 AUD
$461 USD
View
Final sale: no returns
A
Retailer 3
-
$656 AUD
$461 USD
View
A
Retailer 4
-
$726 AUD
$510 USD
View
A
Retailer 5
-
$726 AUD
$510 USD
View
A
Retailer 6
-
$802 AUD
HK$4,400 HKD
View
A
Retailer 7
-
$932 AUD
$655 USD
View
A
Retailer 8
-
$975 AUD
$685 USD
View
A
Retailer 9
-
$1,056 AUD
$742 USD
View
A
Retailer 10
-
$1,179 AUD
$828 USD
View
B+
Retailer 11
-
$1,191 AUD
£659 GBP
View
B+
Retailer 12
-
$1,220 AUD
€816 EUR
View
B+
Retailer 13
-
$1,248 AUD
ZAR 14,163 ZAR
View
B+
Retailer 14
-
$1,751 AUD
$1,230 USD
View
Retailer 15
-
$2,285 AUD
$1,605 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$2,309 AUD
SGD 2,192 SGD
View
B
Retailer 17
-
$2,335 AUD
$1,640 USD
View
B
Retailer 18
-
$2,384 AUD
$1,675 USD
View
B
Retailer 19
-
$2,660 AUD
$1,868 USD
View
B
Retailer 20
-
$2,669 AUD
$1,875 USD
View
B
Retailer 21
-
$2,853 AUD
£1,578 GBP
View
Most Expensive
B
Brilliant Earth
18359437A · Oct 29
$4,043 AUD
$2,840 USD
View
21 more retailers have this diamond
Prices start from $585 AUDSave up to $3,458 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
$585 AUD