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Marquise|Lab Grown|IGI

0.28ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG816671149

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816671149

Diamond specifications and retailer prices

From $107 NZD
$60 USD
As of October 27, 2026
Save $426 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $533 NZD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 0.28ct lab-grown marquise diamond

This 0.28ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816671149 or 816671149. Listed at 9 retailers as of October 27, 2026, with prices from $107 to $533, a $426 spread on the same certified stone. Taylor and Hart lists it at $533. 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

0.28
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle24.6°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816671149
Dimensions7.18 × 3.33 × 2.09 mm
L/W Ratio2.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm3.33 mm0.28 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816671149
Side View
Table 60.0%Crown 24.6°Girdle: STK-THKPavilion 42.3°Culet: NoneDepth 62.8%

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 27
Current: $282 NZD|Low: $112 NZD|High: $577 NZD|Avg: $337 NZD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 25, 2026
Retailer 4$117 NZD
Retailer 3$240 NZD
Retailer 1$282 NZD
Retailer 2$323 NZD
Taylor and Hart$533 NZD

13 data points across 5 retailers

9 retailers$107 NZD to $533 NZD

A
Cheapest Retailer
-
$107 NZD
$60 USD
Retailer 2
-
$117 NZD
$66 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$137 NZD
$77 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$155 NZD
$87 USD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
$240 NZD
$135 USD
View
B+
Retailer 6
-
$282 NZD
€151 EUR
View
Retailer 7
-
$323 NZD
$182 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$469 NZD
$264 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Taylor and Hart
CLIJXOR · Oct 27
$533 NZD
$300 USD
View
8 more retailers have this diamond
Prices start from $107 NZDSave up to $426 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
0.28ct Marquise
$107 NZD