Princess|Lab Grown|IGI

1.28ct E VS1 Princess Lab Grown Diamond

GD • E/VS1 • IGI LG702577493

Shape and cutting style on the report: Princess cut

Certificate IGI LG702577493

Diamond specifications and retailer prices

From $237 USD
As of October 27, 2026
Save $1,074 USD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,311 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG702577493 or 702577493. Listed at 21 retailers as of October 27, 2026, with prices from $237 to $1,311, a $1,074 spread on the same certified stone. Reve Diamonds lists it at $1,311. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
E
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702577493
Dimensions5.83 × 5.82 × 4.25 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
5.83 mm5.82 mm1.28 ctE / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702577493
Side View
Table 70.0%Crown 44°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 73.0%

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 27
Current: $553 USD|Low: $227 USD|High: $1,311 USD|Avg: $625 USD|+3.0%
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Retailer 18
Reve Diamonds
October 29, 2026
Retailer 2$237 USD
Retailer 4$265 USD
Retailer 3$294 USD
Retailer 8$294 USD
Retailer 13$370 USD
Retailer 7$395 USD
Retailer 11$473 USD
Retailer 6$494 USD
Retailer 15$504 USD
Retailer 9$536 USD
Retailer 1$553 USD
Retailer 16$716 USD
Retailer 17$720 USD
Retailer 14$829 USD
Retailer 5$944 USD
Retailer 18$947 USD
Retailer 10$1,000 USD
Retailer 12$1,182 USD
Reve Diamonds$1,311 USD

36 data points across 19 retailers

21 retailers$237 USD to $1,311 USD

A
Cheapest Retailer
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$237 USD
A
Retailer 2
-
$265 USD
View
Final sale: no returns
A
Retailer 3
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$275 USD
View
A
Retailer 4
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$294 USD
View
A
Retailer 5
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$294 USD
View
A
Retailer 6
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$370 USD
£291 GBP
View
A
Retailer 7
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$395 USD
View
B+
Retailer 8
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$473 USD
€450 EUR
View
B+
Retailer 9
-
$494 USD
View
B+
Retailer 10
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$504 USD
ZAR 8,147 ZAR
View
B+
Retailer 11
-
$536 USD
View
B+
Retailer 12
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$553 USD
£436 GBP
View
B+
Retailer 13
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$716 USD
A$1,101 AUD
View
Retailer 14
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$720 USD
View
Price last confirmed 8 days ago
B
Retailer 15
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$829 USD
A$1,276 AUD
View
B
Retailer 16
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$944 USD
View
B
Retailer 17
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$947 USD
View
B
Retailer 18
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$996 USD
View
B
Retailer 19
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$1,020 USD
View
B
Retailer 20
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$1,182 USD
£931 GBP
View
Most Expensive
B
Reve Diamonds
4F66FF42D · Oct 28
$1,311 USD
View
20 more retailers have this diamond
Prices start from $237 USDSave up to $1,074 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
1.28ct Princess
$237 USD