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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG795618620

Shape and cutting style on the report: Round brilliant

Certificate IGI LG795618620

Diamond specifications and retailer prices

From $1,046 AUD
$735 USD
As of October 29, 2026
Save $4,264 AUD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,310 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG795618620 or 795618620. Listed at 22 retailers as of October 29, 2026, with prices from $1,046 to $5,310, a $4,264 spread on the same certified stone. Brilliant Earth lists it at $5,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795618620
Dimensions7.46 × 7.41 × 4.50 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
7.46 mm7.41 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795618620
Side View
Table 57.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,310 AUD|Low: $898 AUD|High: $6,919 AUD|Avg: $2,691 AUD|-23.3%
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 3$935 AUD
Retailer 4$1,046 AUD
Retailer 7$1,085 AUD
Retailer 9$1,431 AUD
Retailer 15$1,492 AUD
Retailer 12$1,537 AUD
Retailer 6$1,552 AUD
Retailer 14$1,673 AUD
Retailer 2$1,725 AUD
Retailer 13$1,976 AUD
Retailer 16$2,520 AUD
Retailer 17$3,495 AUD
Retailer 8$3,651 AUD
Retailer 5$3,776 AUD
Retailer 10$4,596 AUD
Retailer 11$5,123 AUD
Brilliant Earth$5,310 AUD

39 data points across 17 retailers

22 retailers$1,046 AUD to $5,310 AUD

Retailer 1
-
$935 AUD
$657 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,018 AUD
$715 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,046 AUD
$735 USD
View
Final sale: no returns
Retailer 4
-
$1,085 AUD
$762 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$1,085 AUD
$762 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$1,431 AUD
$1,005 USD
View
Retailer 7
-
$1,492 AUD
£825 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,532 AUD
$1,076 USD
View
B+
Retailer 9
-
$1,537 AUD
$1,080 USD
View
B+
Retailer 10
-
$1,552 AUD
$1,090 USD
View
B+
Retailer 11
-
$1,673 AUD
View
B+
Retailer 12
-
$1,725 AUD
£954 GBP
View
B+
Retailer 13
-
$1,976 AUD
ZAR 22,422 ZAR
View
B
Retailer 14
-
$2,520 AUD
$1,770 USD
View
Retailer 15
-
$3,051 AUD
$2,143 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$3,495 AUD
$2,455 USD
View
B
Retailer 17
-
$3,651 AUD
SGD 3,466 SGD
View
B
Retailer 18
-
$3,743 AUD
$2,630 USD
View
B
Retailer 19
-
$3,776 AUD
$2,652 USD
View
B
Retailer 20
-
$4,596 AUD
£2,542 GBP
View
B
Retailer 21
-
$5,123 AUD
€3,427 EUR
View
Most Expensive
B
Brilliant Earth
20045752A · Oct 30
$5,310 AUD
$3,730 USD
View
21 more retailers have this diamond
Prices start from $1,046 AUDSave up to $4,264 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
1.51ct Round
$1,046 AUD