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Princess|Lab Grown|IGI

1.00ct D SI1 Princess Lab Grown Diamond

GD • D/SI1 • IGI LG846656678

Shape and cutting style on the report: Princess cut

Certificate IGI LG846656678

Diamond specifications and retailer prices

From $363 NZD
HK$1,600 HKD
As of October 30, 2026
Save $1,411 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,774 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown princess diamond

This 1ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG846656678 or 846656678. Listed at 14 retailers as of October 29, 2026, with prices from $363 to $1,774, a $1,411 spread on the same certified stone. Brilliant Earth lists it at $1,774. 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

1.00
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656678
Dimensions5.27 × 5.14 × 3.91 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.27 mm5.14 mm1.00 ctD / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846656678
Side View
Table 72.0%Crown 38.8°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 76.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $837 NZD|Low: $296 NZD|High: $1,532 NZD|Avg: $691 NZD|-24.7%
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
October 31, 2026
Retailer 4$296 NZD
Retailer 3$307 NZD
Retailer 6$363 NZD
Retailer 9$392 NZD
Retailer 10$549 NZD
Retailer 7$559 NZD
Retailer 12$601 NZD
Retailer 11$703 NZD
Retailer 2$759 NZD
Retailer 1$837 NZD
Retailer 5$902 NZD
Retailer 13$1,052 NZD
Retailer 8$1,056 NZD
Retailer 14$1,532 NZD

6 data points across 14 retailers

14 retailers$363 NZD to $1,774 NZD

Retailer 1
-
$307 NZD
$173 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$363 NZD
HK$1,600 HKD
View
B+
Retailer 3
-
$392 NZD
£174 GBP
View
B+
Retailer 4
-
$549 NZD
£244 GBP
View
B+
Retailer 5
-
$559 NZD
€300 EUR
View
B+
Retailer 6
-
$601 NZD
$339 USD
View
B
Retailer 7
-
$703 NZD
£312 GBP
View
B
Retailer 8
-
$759 NZD
$428 USD
View
B
Retailer 9
-
$837 NZD
$472 USD
View
B
Retailer 10
-
$902 NZD
SGD 687 SGD
View
B
Retailer 11
-
$1,052 NZD
$593 USD
View
B
Retailer 12
-
$1,056 NZD
$595 USD
View
C
Retailer 13
-
$1,532 NZD
£680 GBP
View
Most Expensive
C
Brilliant Earth
22251280A · Oct 29
$1,774 NZD
$1,000 USD
View
13 more retailers have this diamond
Prices start from $363 NZDSave up to $1,411 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.

B+
1.00ct Princess
$363 NZD