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Marquise|Lab Grown|IGI

3.00ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508612

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508612

Diamond specifications and retailer prices

From $6,202 NZD
As of November 3, 2026
Save $24,888 NZD (80%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $46,921 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508612 or 754508612. Listed at 32 retailers as of October 31, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508612
Dimensions14.39 × 7.43 × 4.82 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.39 mm7.43 mm3.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508612
Side View
Table 58.0%Crown 37.3°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 64.9%

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 3
Current: $46,921 NZD|Low: $6,202 NZD|High: $46,921 NZD|Avg: $16,193 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 23
November 4, 2026
Retailer 5$6,202 NZD
Retailer 10$6,820 NZD
Retailer 12$7,149 NZD
Retailer 16$7,469 NZD
Retailer 15$7,804 NZD
Retailer 8$8,019 NZD
Retailer 18$9,402 NZD
Retailer 6$10,126 NZD
Retailer 17$10,268 NZD
Retailer 7$10,494 NZD
Retailer 4$13,353 NZD
Retailer 11$13,424 NZD
Retailer 3$14,315 NZD
Retailer 21$18,084 NZD
Retailer 20$18,431 NZD
Retailer 14$19,750 NZD
Retailer 9$20,049 NZD
Retailer 22$20,077 NZD
Retailer 2$20,701 NZD
Retailer 19$21,123 NZD
Retailer 13$28,841 NZD
Retailer 23$28,894 NZD
Do Amore Diamonds$46,921 NZD

42 data points across 23 retailers

32 retailers$6,202 NZD to $31,090 NZD

A
Cheapest Retailer
-
$6,202 NZD
A
Retailer 2
-
$6,820 NZD
View
Retailer 3
-
$6,820 NZD
View
Price last confirmed 27 days ago
Retailer 4
-
$6,820 NZD
View
Price last confirmed 35 days ago
Retailer 5
-
$7,149 NZD
View
Price last confirmed 36 days ago
A
Retailer 6
-
$7,469 NZD
View
Retailer 7
-
$7,804 NZD
View
Price last confirmed 36 days ago
Retailer 8
-
$7,912 NZD
View
Price last confirmed 25 days ago
Retailer 9
-
$7,912 NZD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$8,019 NZD
View
A
Retailer 11
-
$9,068 NZD
View
Final sale: no returns
A
Retailer 12
-
$9,402 NZD
View
B+
Retailer 13
-
$10,126 NZD
View
A
Retailer 14
-
$10,268 NZD
View
B+
Retailer 15
-
$10,494 NZD
View
Retailer 16
-
$10,913 NZD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
$10,913 NZD
View
Retailer 18
-
$10,913 NZD
View
Price last confirmed 35 days ago
B+
Retailer 19
-
$12,274 NZD
View
B+
Retailer 20
-
$13,353 NZD
View
B+
Retailer 21
-
$13,424 NZD
View
B+
Retailer 22
-
$14,315 NZD
View
B+
Retailer 23
-
$18,084 NZD
View
B+
Retailer 24
-
$18,431 NZD
View
B
Retailer 25
-
$20,049 NZD
View
B
Retailer 26
-
$20,077 NZD
View
B
Retailer 27
-
$20,701 NZD
View
B
Retailer 28
-
$21,123 NZD
View
B
Retailer 29
-
$28,841 NZD
View
B
Retailer 30
-
$28,894 NZD
View
B
Retailer 31
-
$31,090 NZD
View
Most Expensive
Do Amore Diamonds
27-CD9BDF00E · Nov 2
$46,921 NZD
$26,390 USD
View
Price under review
31 more retailers have this diamond
Prices start from $6,202 NZDSave up to $24,888 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
3.00ct Marquise
$6,202 NZD