Princess|Lab Grown|IGI

1.20ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG818678085

Shape and cutting style on the report: Princess cut

Certificate IGI LG818678085

Diamond specifications and retailer prices

From $191 USD
As of October 27, 2026
Save $1,549 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,740 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818678085 or 818678085. Listed at 25 retailers as of October 27, 2026, with prices from $191 to $1,740, a $1,549 spread on the same certified stone. Queensmith lists it at $1,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818678085
Dimensions5.73 × 5.62 × 4.21 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.73 mm5.62 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818678085
Side View
Table 72.0%Crown 47.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 74.9%

Caratlytics Score

How it works →
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: $437 USD|Low: $183 USD|High: $1,250 USD|Avg: $513 USD|+6.9%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 29, 2026
Retailer 2$191 USD
Retailer 17$213 USD
Retailer 9$222 USD
Retailer 5$237 USD
Retailer 7$237 USD
Retailer 10$298 USD
Retailer 3$320 USD
Retailer 12$407 USD
Retailer 11$429 USD
Retailer 1$437 USD
Retailer 13$578 USD
Retailer 16$606 USD
Retailer 15$700 USD
Retailer 6$762 USD
Retailer 8$930 USD
Retailer 14$1,109 USD
Retailer 4$1,250 USD

44 data points across 17 retailers

25 retailers$191 USD to $1,740 USD

A
Cheapest Retailer
-
$191 USD
A
Retailer 2
-
$213 USD
View
Final sale: no returns
A
Retailer 3
-
$222 USD
View
A
Retailer 4
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$237 USD
View
A
Retailer 5
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$237 USD
View
A
Retailer 6
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$269 USD
HK$2,100 HKD
View
A
Retailer 7
-
$298 USD
£235 GBP
View
B+
Retailer 8
-
$320 USD
View
A
Retailer 9
-
$407 USD
ZAR 6,573 ZAR
View
A
Retailer 10
-
$429 USD
£337 GBP
View
A
Retailer 11
-
$430 USD
View
A
Retailer 12
-
$437 USD
€416 EUR
View
B+
Retailer 13
-
$578 USD
A$889 AUD
View
B+
Retailer 14
-
$606 USD
View
B+
Retailer 15
-
$700 USD
View
B+
Retailer 16
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$720 USD
View
Price last confirmed 21 days ago
B+
Retailer 17
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$762 USD
View
B+
Retailer 18
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$773 USD
SGD 1,045 SGD
View
B+
Retailer 19
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$797 USD
View
B+
Retailer 20
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$815 USD
View
B
Retailer 21
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$930 USD
£732 GBP
View
B
Retailer 22
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$1,109 USD
£873 GBP
View
B
Retailer 23
-
$1,165 USD
View
B
Retailer 24
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$1,250 USD
View
Most Expensive
B
Queensmith
LG818678085 · Oct 27
$1,740 USD
£1,370 GBP
View
24 more retailers have this diamond
Prices start from $191 USDSave up to $1,549 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
1.20ct Princess
$191 USD