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Princess|Lab Grown|IGI

1.51ct D VS1 Princess Lab Grown Diamond

EX • D/VS1 • IGI LG629441723

Shape and cutting style on the report: Princess cut

Certificate IGI LG629441723

Diamond specifications and retailer prices

From $253 USD
As of October 30, 2026
Save $1,109 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,040 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629441723 or 629441723. Listed at 21 retailers as of October 30, 2026, with a 438% 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

1.51
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629441723
Dimensions6.10 × 6.10 × 4.47 mm
L/W Ratio1.00
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
6.10 mm6.10 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629441723
Side View
Table 70.0%Crown 43.6°Girdle: Slightly ThickPavilion 38.6°Culet: NoneDepth 73.3%

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: $2,040 USD|Low: $243 USD|High: $2,040 USD|Avg: $601 USD
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
Retailer 18
October 30, 2026
Retailer 3$253 USD
Retailer 10$283 USD
Retailer 9$293 USD
Retailer 4$313 USD
Retailer 7$313 USD
Retailer 2$350 USD
Retailer 18$422 USD
Retailer 15$475 USD
Retailer 14$539 USD
Retailer 12$565 USD
Retailer 8$577 USD
Retailer 11$597 USD
Retailer 16$731 USD
Retailer 17$770 USD
Retailer 6$1,008 USD
Retailer 5$1,233 USD
Retailer 13$1,262 USD
Brilliant Earth$2,040 USD

43 data points across 18 retailers

21 retailers$253 USD to $1,362 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
View
A
Retailer 4
-
$313 USD
View
A
Retailer 5
-
$313 USD
View
A
Retailer 6
-
$350 USD
£276 GBP
View
B+
Retailer 7
-
$422 USD
View
A
Retailer 8
-
$475 USD
View
A
Retailer 9
-
$529 USD
View
A
Retailer 10
-
$539 USD
ZAR 8,700 ZAR
View
B+
Retailer 11
-
$565 USD
€538 EUR
View
B+
Retailer 12
-
$577 USD
View
B+
Retailer 13
-
$597 USD
£470 GBP
View
B+
Retailer 14
-
$731 USD
A$1,124 AUD
View
B+
Retailer 15
-
$770 USD
View
B
Retailer 16
-
$1,008 USD
View
B
Retailer 17
-
$1,059 USD
View
B
Retailer 18
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$1,233 USD
View
B
Retailer 19
-
$1,262 USD
£994 GBP
View
B
Retailer 20
-
$1,362 USD
View
Most Expensive
Brilliant Earth
21311984A · Oct 22
$2,040 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $253 USDSave up to $1,109 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 Princess
$253 USD