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Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG737521181

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG737521181

Diamond specifications and retailer prices

From $1,641 NZD
$925 USD
As of October 31, 2026
Save $14,753 NZD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $16,395 NZD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG737521181 or 737521181. Listed at 9 retailers as of October 25, 2026, with prices from $1,641 to $16,395, a $14,753 spread on the same certified stone. Brilliant Earth lists it at $16,395. 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

3.11
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737521181
Dimensions8.69 × 7.93 × 5.38 mm
L/W Ratio1.10
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
8.69 mm7.93 mm3.11 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737521181
Side View
Table 65.0%Crown 34.8°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 67.8%

Caratlytics Score

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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 31
Current: $16,395 NZD|Low: $1,641 NZD|High: $17,903 NZD|Avg: $5,493 NZD|-8.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$1,641 NZD
Retailer 9$1,975 NZD
Retailer 10$1,989 NZD
Retailer 2$2,359 NZD
Retailer 12$2,484 NZD
Retailer 11$2,890 NZD
Retailer 4$3,368 NZD
Retailer 8$3,763 NZD
Retailer 3$4,678 NZD
Retailer 7$10,788 NZD
Retailer 6$12,296 NZD
Brilliant Earth$16,395 NZD

18 data points across 12 retailers

9 retailers$1,641 NZD to $16,395 NZD

A
Cheapest Retailer
-
$1,641 NZD
$925 USD
Retailer 2
-
$1,975 NZD
$1,113 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$1,989 NZD
$1,121 USD
View
A
Retailer 4
-
$2,359 NZD
€1,266 EUR
View
Retailer 5
-
$2,890 NZD
$1,629 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,763 NZD
$2,121 USD
View
B
Retailer 7
-
$10,788 NZD
$6,080 USD
View
B
Retailer 8
-
$12,296 NZD
$6,930 USD
View
Most Expensive
B
Brilliant Earth
20596410A · Oct 25
$16,395 NZD
$9,240 USD
View
8 more retailers have this diamond
Prices start from $1,641 NZDSave up to $14,753 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
3.11ct Cushion
$1,641 NZD