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Oval|Lab Grown|IGI

5.50ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG546231937

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG546231937

Diamond specifications and retailer prices

From $1,946 NZD
$1,097 USD
As of October 29, 2026
Save $15,335 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,282 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.5ct lab-grown oval diamond

This 5.5ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG546231937 or 546231937. Listed at 16 retailers as of October 29, 2026, with prices from $1,946 to $17,282, a $15,335 spread on the same certified stone. Do Amore Diamonds lists it at $17,282. 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

5.50
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546231937
Dimensions14.43 × 9.93 × 6.27 mm
L/W Ratio1.45
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
14.43 mm9.93 mm5.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546231937
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $17,282 NZD|Low: $1,347 NZD|High: $17,282 NZD|Avg: $6,132 NZD|+44.5%
Do Amore Diamonds
Retailer 2
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Retailer 24
November 1, 2026
Retailer 5$1,946 NZD
Retailer 20$2,119 NZD
Retailer 11$2,180 NZD
Retailer 18$2,259 NZD
Retailer 6$2,457 NZD
Retailer 21$2,528 NZD
Retailer 13$2,832 NZD
Retailer 9$2,875 NZD
Retailer 24$3,022 NZD
Retailer 22$3,086 NZD
Retailer 8$4,535 NZD
Retailer 23$4,579 NZD
Retailer 19$4,672 NZD
Retailer 10$6,117 NZD
Retailer 3$6,175 NZD
Retailer 17$6,359 NZD
Retailer 2$8,008 NZD
Retailer 7$8,119 NZD
Retailer 4$8,849 NZD
Retailer 15$10,388 NZD
Retailer 14$11,870 NZD
Retailer 16$11,870 NZD
Retailer 12$15,578 NZD
Do Amore Diamonds$17,282 NZD

11 data points across 24 retailers

16 retailers$1,946 NZD to $17,282 NZD

A
Cheapest Retailer
-
$1,946 NZD
$1,097 USD
A
Retailer 2
-
$2,119 NZD
$1,194 USD
View
A
Retailer 3
-
$2,259 NZD
$1,273 USD
View
B+
Retailer 4
-
$2,457 NZD
$1,385 USD
View
B+
Retailer 5
-
$2,528 NZD
$1,425 USD
View
B+
Retailer 6
-
$2,832 NZD
£1,257 GBP
View
B+
Retailer 7
-
$3,022 NZD
$1,703 USD
View
B+
Retailer 8
-
$3,086 NZD
$1,739 USD
View
B+
Retailer 9
-
$4,535 NZD
$2,556 USD
View
B+
Retailer 10
-
$4,579 NZD
$2,581 USD
View
B+
Retailer 11
-
$4,672 NZD
$2,633 USD
View
B+
Retailer 12
-
$6,175 NZD
$3,480 USD
View
B
Retailer 13
-
$8,008 NZD
£3,554 GBP
View
B
Retailer 14
-
$8,119 NZD
$4,576 USD
View
B
Retailer 15
-
$8,849 NZD
$4,987 USD
View
Most Expensive
C
Do Amore Diamonds
27-DEE81657F · Oct 31
$17,282 NZD
$9,740 USD
View
15 more retailers have this diamond
Prices start from $1,946 NZDSave up to $15,335 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
5.50ct Oval
$1,946 NZD