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1.73ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG564351777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG564351777

Diamond specifications and retailer prices

From $535 NZD
$301 USD
As of November 2, 2026
Save $3,411 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,946 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown round diamond

This 1.73ct 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 LG564351777 or 564351777. Listed at 17 retailers as of November 2, 2026, with prices from $535 to $3,946, a $3,411 spread on the same certified stone. Do Amore Diamonds lists it at $3,946. 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

1.73
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564351777
Dimensions7.70 × 7.66 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.70 mm7.66 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564351777
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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: Nov 2
Current: $3,946 NZD|Low: $475 NZD|High: $4,070 NZD|Avg: $1,357 NZD|-3.1%
Do Amore Diamonds
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
November 2, 2026
Retailer 6$475 NZD
Retailer 7$526 NZD
Retailer 4$535 NZD
Retailer 15$686 NZD
Retailer 3$751 NZD
Retailer 13$752 NZD
Retailer 12$974 NZD
Retailer 8$1,070 NZD
Retailer 10$1,111 NZD
Retailer 2$1,219 NZD
Retailer 14$1,493 NZD
Retailer 11$1,644 NZD
Retailer 5$2,181 NZD
Retailer 9$2,255 NZD
Do Amore Diamonds$3,946 NZD

39 data points across 15 retailers

17 retailers$535 NZD to $3,946 NZD

Retailer 1
-
$423 NZD
$238 USD
Price last confirmed 35 days ago
Retailer 2
-
$491 NZD
$276 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$519 NZD
$292 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$535 NZD
$301 USD
View
B+
Retailer 5
-
$686 NZD
$386 USD
View
A
Retailer 6
-
$751 NZD
HK$3,300 HKD
View
A
Retailer 7
-
$752 NZD
$423 USD
View
A
Retailer 8
-
$974 NZD
$548 USD
View
A
Retailer 9
-
$999 NZD
$562 USD
View
A
Retailer 10
-
$1,070 NZD
£474 GBP
View
B+
Retailer 11
-
$1,219 NZD
€653 EUR
View
Retailer 12
-
$1,493 NZD
$840 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$1,644 NZD
$925 USD
View
Retailer 14
-
$1,864 NZD
$1,049 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$2,181 NZD
SGD 1,658 SGD
View
B
Retailer 16
-
$2,255 NZD
£999 GBP
View
Most Expensive
B
Do Amore Diamonds
27-480D56BE2 · Nov 2
$3,946 NZD
$2,220 USD
View
16 more retailers have this diamond
Prices start from $535 NZDSave up to $3,411 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.

A
1.73ct Round
$535 NZD