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Round|Lab Grown|IGI

1.61ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG436081743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436081743

Diamond specifications and retailer prices

From $494 AUD
$347 USD
As of November 1, 2026
Save $3,891 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,385 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown round diamond

This 1.61ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436081743 or 436081743. Listed at 18 retailers as of October 31, 2026, with prices from $494 to $4,385, a $3,891 spread on the same certified stone. Do Amore Diamonds lists it at $4,385. 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

1.61
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436081743
Dimensions7.40 × 7.46 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.40 mm7.46 mm1.61 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436081743
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.5%

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 1
Current: $4,385 AUD|Low: $494 AUD|High: $4,385 AUD|Avg: $1,381 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 18$494 AUD
Retailer 15$574 AUD
Retailer 12$605 AUD
Retailer 5$612 AUD
Retailer 14$614 AUD
Retailer 3$746 AUD
Retailer 6$826 AUD
Retailer 7$1,053 AUD
Retailer 9$1,059 AUD
Retailer 16$1,089 AUD
Retailer 11$1,092 AUD
Retailer 10$1,194 AUD
Retailer 2$1,295 AUD
Retailer 17$1,797 AUD
Retailer 8$1,852 AUD
Retailer 4$2,175 AUD
Retailer 13$2,658 AUD
Do Amore Diamonds$4,385 AUD

15 data points across 18 retailers

18 retailers$494 AUD to $4,385 AUD

A
Cheapest Retailer
-
$494 AUD
$347 USD
A
Retailer 2
-
$574 AUD
$403 USD
View
B+
Retailer 3
-
$605 AUD
$425 USD
View
A
Retailer 4
-
$612 AUD
$430 USD
View
Retailer 5
-
$614 AUD
$431 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$746 AUD
$524 USD
View
A
Retailer 7
-
$826 AUD
$580 USD
View
Retailer 8
-
$1,053 AUD
$740 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$1,059 AUD
$744 USD
View
A
Retailer 10
-
$1,089 AUD
$765 USD
View
A
Retailer 11
-
$1,092 AUD
£604 GBP
View
A
Retailer 12
-
$1,194 AUD
$839 USD
View
A
Retailer 13
-
$1,295 AUD
$910 USD
View
A
Retailer 14
-
$1,797 AUD
$1,262 USD
View
A
Retailer 15
-
$1,852 AUD
$1,301 USD
View
B+
Retailer 16
-
$2,175 AUD
$1,528 USD
View
B+
Retailer 17
-
$2,658 AUD
£1,470 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0B611CC95 · Oct 31
$4,385 AUD
$3,080 USD
View
17 more retailers have this diamond
Prices start from $494 AUDSave up to $3,891 AUD

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
1.61ct Round
$494 AUD