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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743550584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743550584

Diamond specifications and retailer prices

From $481 AUD
$338 USD
As of November 1, 2026
Save $3,790 AUD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,271 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743550584 or 743550584. Listed at 27 retailers as of October 31, 2026, with prices from $481 to $4,271, a $3,790 spread on the same certified stone. Do Amore Diamonds lists it at $4,271. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550584
Dimensions7.38 × 7.33 × 4.54 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
7.38 mm7.33 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550584
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

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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: Nov 1
Current: $2,573 AUD|Low: $481 AUD|High: $4,869 AUD|Avg: $1,630 AUD|-1.2%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 4$481 AUD
Retailer 3$558 AUD
Retailer 2$585 AUD
Retailer 8$596 AUD
Retailer 7$847 AUD
Retailer 21$856 AUD
Retailer 10$897 AUD
Retailer 11$932 AUD
Retailer 22$961 AUD
Retailer 16$1,064 AUD
Retailer 14$1,073 AUD
Retailer 20$1,131 AUD
Retailer 12$1,187 AUD
Retailer 19$1,528 AUD
Retailer 9$1,750 AUD
Retailer 6$2,117 AUD
Retailer 15$2,254 AUD
Retailer 13$2,317 AUD
Retailer 17$2,473 AUD
Retailer 1$2,573 AUD
Retailer 5$3,210 AUD
Retailer 18$3,232 AUD

30 data points across 22 retailers

27 retailers$481 AUD to $4,271 AUD

A
Cheapest Retailer
-
$481 AUD
$338 USD
A
Retailer 2
-
$558 AUD
$392 USD
View
A
Retailer 3
-
$585 AUD
$411 USD
View
Final sale: no returns
A
Retailer 4
-
$596 AUD
$419 USD
View
Retailer 5
-
$847 AUD
£469 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$856 AUD
HK$4,700 HKD
View
A
Retailer 7
-
$897 AUD
$630 USD
View
A
Retailer 8
-
$932 AUD
$655 USD
View
A
Retailer 9
-
$961 AUD
$675 USD
View
A
Retailer 10
-
$1,064 AUD
€712 EUR
View
A
Retailer 11
-
$1,073 AUD
$754 USD
View
A
Retailer 12
-
$1,131 AUD
ZAR 12,840 ZAR
View
A
Retailer 13
-
$1,187 AUD
£656 GBP
View
A
Retailer 14
-
$1,210 AUD
View
B+
Retailer 15
-
$1,513 AUD
$1,063 USD
View
B+
Retailer 16
-
$1,528 AUD
View
B+
Retailer 17
-
$1,750 AUD
$1,229 USD
View
B+
Retailer 18
-
$2,117 AUD
$1,487 USD
View
B+
Retailer 19
-
$2,254 AUD
$1,583 USD
View
B+
Retailer 20
-
$2,317 AUD
$1,628 USD
View
B+
Retailer 21
-
$2,339 AUD
$1,643 USD
View
B+
Retailer 22
-
$2,473 AUD
View
B
Retailer 23
-
$2,500 AUD
SGD 2,373 SGD
View
B+
Retailer 24
-
$2,573 AUD
£1,423 GBP
View
B
Retailer 25
-
$3,210 AUD
$2,255 USD
View
B
Retailer 26
-
$3,232 AUD
$2,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-DDA56D148 · Oct 31
$4,271 AUD
$3,000 USD
View
26 more retailers have this diamond
Prices start from $481 AUDSave up to $3,790 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
$481 AUD