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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743593750

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743593750

Diamond specifications and retailer prices

From $411 USD
As of October 30, 2026
Save $2,589 USD (86%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $3,000 USD at Do Amore Diamonds · As of October 29, 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 LG743593750 or 743593750. Listed at 33 retailers as of October 29, 2026, with prices from $411 to $3,000, a $2,589 spread on the same certified stone. Do Amore Diamonds lists it at $3,000. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593750
Dimensions7.31 × 7.35 × 4.53 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
7.31 mm7.35 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593750
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

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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 30
Current: $3,000 USD|Low: $411 USD|High: $3,530 USD|Avg: $1,288 USD
Do Amore Diamonds
Retailer 2
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Retailer 23
October 30, 2026
Retailer 9$411 USD
Retailer 21$570 USD
Retailer 4$595 USD
Retailer 22$602 USD
Retailer 8$655 USD
Retailer 11$675 USD
Retailer 19$750 USD
Retailer 10$754 USD
Retailer 20$795 USD
Retailer 17$833 USD
Retailer 12$850 USD
Retailer 14$1,063 USD
Retailer 18$1,073 USD
Retailer 5$1,229 USD
Retailer 6$1,583 USD
Retailer 7$1,628 USD
Retailer 15$1,643 USD
Retailer 2$1,737 USD
Retailer 16$1,756 USD
Retailer 23$1,817 USD
Retailer 13$2,270 USD
Retailer 3$2,280 USD
Do Amore Diamonds$3,000 USD

36 data points across 23 retailers

33 retailers$411 USD to $3,000 USD

Retailer 1
-
$338 USD
Price last confirmed 21 days ago
Retailer 2
-
$357 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$392 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$411 USD
View
Final sale: no returns
Retailer 5
-
$415 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$419 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$419 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$419 USD
View
Retailer 9
-
$438 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$570 USD
View
Retailer 11
-
$595 USD
£469 GBP
View
Price last confirmed 14 days ago
A
Retailer 12
-
$602 USD
HK$4,700 HKD
View
A
Retailer 13
-
$655 USD
View
A
Retailer 14
-
$675 USD
View
A
Retailer 15
-
$750 USD
€714 EUR
View
A
Retailer 16
-
$754 USD
View
A
Retailer 17
-
$795 USD
ZAR 12,840 ZAR
View
A
Retailer 18
-
$833 USD
£656 GBP
View
A
Retailer 19
-
$850 USD
A$1,308 AUD
View
B+
Retailer 20
-
$1,063 USD
View
B+
Retailer 21
-
$1,073 USD
A$1,651 AUD
View
B+
Retailer 22
-
$1,229 USD
View
Retailer 23
-
$1,487 USD
View
Price last confirmed 21 days ago
Retailer 24
-
$1,573 USD
View
Price last confirmed 31 days ago
B+
Retailer 25
-
$1,583 USD
View
B+
Retailer 26
-
$1,628 USD
View
B+
Retailer 27
-
$1,643 USD
View
B+
Retailer 28
-
$1,737 USD
A$2,673 AUD
View
B
Retailer 29
-
$1,756 USD
SGD 2,373 SGD
View
B+
Retailer 30
-
$1,817 USD
£1,431 GBP
View
B
Retailer 31
-
$2,270 USD
View
B
Retailer 32
-
$2,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-9D28CE672 · Oct 29
$3,000 USD
View
32 more retailers have this diamond
Prices start from $411 USDSave up to $2,589 USD

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
$411 USD