CaratHunter
Plans
Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG778645789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645789

Diamond specifications and retailer prices

From $3,112 AUD
$2,186 USD
As of October 29, 2026
Save $3,525 AUD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,618 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778645789 or 778645789. Listed at 21 retailers as of October 29, 2026, with a 113% 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

1.81
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645789
Dimensions7.83 × 7.87 × 4.75 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
7.83 mm7.87 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645789
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,320 AUD|Low: $2,988 AUD|High: $12,080 AUD|Avg: $5,808 AUD|+7.9%
Retailer 1
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
October 31, 2026
Retailer 16$3,112 AUD
Retailer 7$3,385 AUD
Retailer 11$3,484 AUD
Retailer 3$3,610 AUD
Retailer 6$3,700 AUD
Retailer 14$3,844 AUD
Retailer 9$4,950 AUD
Retailer 8$4,963 AUD
Retailer 15$5,153 AUD
Retailer 2$5,161 AUD
Retailer 1$6,320 AUD
Retailer 10$6,637 AUD
Retailer 13$9,154 AUD
Retailer 4$9,639 AUD
Retailer 12$9,846 AUD
Retailer 5$12,080 AUD

43 data points across 16 retailers

21 retailers$3,112 AUD to $6,637 AUD

B+
Cheapest Retailer
-
$3,112 AUD
$2,186 USD
B+
Retailer 2
-
$3,385 AUD
$2,378 USD
View
B+
Retailer 3
-
$3,484 AUD
$2,447 USD
View
Final sale: no returns
Retailer 4
-
$3,610 AUD
$2,536 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$3,610 AUD
$2,536 USD
View
B+
Retailer 6
-
$3,700 AUD
$2,599 USD
View
B+
Retailer 7
-
$3,844 AUD
$2,700 USD
View
B
Retailer 8
-
$4,173 AUD
HK$22,900 HKD
View
B+
Retailer 9
-
$4,950 AUD
£2,738 GBP
View
B
Retailer 10
-
$4,963 AUD
$3,486 USD
View
B
Retailer 11
-
$5,153 AUD
$3,620 USD
View
B
Retailer 12
-
$5,161 AUD
$3,625 USD
View
B
Retailer 13
-
$6,320 AUD
€4,228 EUR
View
B
Retailer 14
-
$6,637 AUD
ZAR 75,313 ZAR
View
Retailer 15
-
$9,154 AUD
$6,430 USD
View
Price under review
Retailer 16
-
$9,639 AUD
$6,771 USD
View
Price under review
Retailer 17
-
$9,846 AUD
£5,446 GBP
View
Price under review
Retailer 18
-
$10,722 AUD
$7,531 USD
View
Price under review
Retailer 19
-
$12,080 AUD
SGD 11,467 SGD
View
Price under review
Most Expensive
Taylor and Hart
YDU2Y3X · Oct 30
$12,618 AUD
$8,863 USD
View
Price under review
19 more retailers have this diamond
Prices start from $3,112 AUDSave up to $3,525 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.

B+
1.81ct Round
$3,112 AUD