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1.69ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG649471818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649471818

Diamond specifications and retailer prices

From $357 NZD
$201 USD
As of October 29, 2026
Save $3,073 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,430 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.69ct lab-grown round diamond

This 1.69ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG649471818 or 649471818. Listed at 11 retailers as of October 29, 2026, with prices from $357 to $3,430, a $3,073 spread on the same certified stone. Do Amore Diamonds lists it at $3,430. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.69
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649471818
Dimensions7.74 × 7.68 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm7.68 mm1.69 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649471818
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.7%

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 29
Current: $3,430 NZD|Low: $347 NZD|High: $3,501 NZD|Avg: $1,300 NZD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$357 NZD
Retailer 3$405 NZD
Retailer 8$414 NZD
Retailer 7$770 NZD
Retailer 4$901 NZD
Retailer 9$1,359 NZD
Retailer 5$1,429 NZD
Retailer 6$1,573 NZD
Retailer 11$1,706 NZD
Retailer 2$1,971 NZD
Do Amore Diamonds$3,430 NZD

35 data points across 11 retailers

11 retailers$357 NZD to $3,430 NZD

A
Cheapest Retailer
-
$357 NZD
$201 USD
A
Retailer 2
-
$405 NZD
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$414 NZD
$233 USD
View
B+
Retailer 4
-
$770 NZD
$433 USD
View
A
Retailer 5
-
$901 NZD
£399 GBP
View
B+
Retailer 6
-
$1,359 NZD
$765 USD
View
B+
Retailer 7
-
$1,429 NZD
$804 USD
View
B+
Retailer 8
-
$1,573 NZD
$885 USD
View
B
Retailer 9
-
$1,706 NZD
$960 USD
View
B
Retailer 10
-
$1,971 NZD
£873 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3DE2B17C8 · Oct 29
$3,430 NZD
$1,930 USD
View
10 more retailers have this diamond
Prices start from $357 NZDSave up to $3,073 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
1.69ct Round
$357 NZD