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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 $340 NZD
$191 USD
As of October 27, 2026
Save $2,759 NZD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,100 NZD 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 $340 to $3,100, a $2,759 spread on the same certified stone. Queensmith lists it at $3,100. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $778 NZD|Low: $326 NZD|High: $2,227 NZD|Avg: $915 NZD|+6.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 2$340 NZD
Retailer 17$379 NZD
Retailer 9$395 NZD
Retailer 5$422 NZD
Retailer 7$422 NZD
Retailer 10$532 NZD
Retailer 3$570 NZD
Retailer 12$725 NZD
Retailer 11$763 NZD
Retailer 1$778 NZD
Retailer 13$1,029 NZD
Retailer 16$1,080 NZD
Retailer 15$1,247 NZD
Retailer 6$1,358 NZD
Retailer 8$1,656 NZD
Retailer 14$1,975 NZD
Retailer 4$2,227 NZD

44 data points across 17 retailers

25 retailers$340 NZD to $3,100 NZD

A
Cheapest Retailer
-
$340 NZD
$191 USD
A
Retailer 2
-
$379 NZD
$213 USD
View
Final sale: no returns
A
Retailer 3
-
$395 NZD
$222 USD
View
A
Retailer 4
-
$422 NZD
$237 USD
View
A
Retailer 5
-
$422 NZD
$237 USD
View
A
Retailer 6
-
$479 NZD
HK$2,100 HKD
View
A
Retailer 7
-
$532 NZD
£235 GBP
View
B+
Retailer 8
-
$570 NZD
$320 USD
View
A
Retailer 9
-
$725 NZD
ZAR 6,573 ZAR
View
A
Retailer 10
-
$763 NZD
£337 GBP
View
A
Retailer 11
-
$766 NZD
$430 USD
View
A
Retailer 12
-
$778 NZD
€416 EUR
View
B+
Retailer 13
-
$1,029 NZD
A$889 AUD
View
B+
Retailer 14
-
$1,080 NZD
$606 USD
View
B+
Retailer 15
-
$1,247 NZD
$700 USD
View
B+
Retailer 16
-
$1,283 NZD
$720 USD
View
Price last confirmed 21 days ago
B+
Retailer 17
-
$1,358 NZD
$762 USD
View
B+
Retailer 18
-
$1,378 NZD
SGD 1,045 SGD
View
B+
Retailer 19
-
$1,420 NZD
$797 USD
View
B+
Retailer 20
-
$1,453 NZD
$815 USD
View
B
Retailer 21
-
$1,656 NZD
£732 GBP
View
B
Retailer 22
-
$1,975 NZD
£873 GBP
View
B
Retailer 23
-
$2,076 NZD
$1,165 USD
View
B
Retailer 24
-
$2,227 NZD
$1,250 USD
View
Most Expensive
B
Queensmith
LG818678085 · Oct 27
$3,100 NZD
£1,370 GBP
View
24 more retailers have this diamond
Prices start from $340 NZDSave up to $2,759 NZD

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
$340 NZD