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Round|Lab Grown|IGI

3.13ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG680525391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG680525391

Diamond specifications and retailer prices

From $1,425 NZD
$802 USD
As of November 1, 2026
Save $16,454 NZD (92%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,880 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.13ct lab-grown round diamond

This 3.13ct lab-grown round 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 LG680525391 or 680525391. Listed at 19 retailers as of November 1, 2026, with prices from $1,425 to $17,880, a $16,454 spread on the same certified stone. Brilliant Earth lists it at $17,880. 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

3.13
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680525391
Dimensions9.40 × 9.46 × 5.76 mm
L/W Ratio1.01
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
9.40 mm9.46 mm3.13 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680525391
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $17,880 NZD|Low: $1,390 NZD|High: $27,104 NZD|Avg: $5,132 NZD|-34.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 18$1,425 NZD
Retailer 6$1,552 NZD
Retailer 11$1,555 NZD
Retailer 19$2,024 NZD
Retailer 9$2,630 NZD
Retailer 17$2,670 NZD
Retailer 12$2,984 NZD
Retailer 15$3,101 NZD
Retailer 10$3,411 NZD
Retailer 16$3,706 NZD
Retailer 4$3,933 NZD
Retailer 7$4,091 NZD
Retailer 14$4,122 NZD
Retailer 5$5,133 NZD
Retailer 2$6,844 NZD
Retailer 13$9,150 NZD
Retailer 8$9,695 NZD
Retailer 3$12,654 NZD
Brilliant Earth$17,880 NZD

35 data points across 19 retailers

19 retailers$1,425 NZD to $17,880 NZD

A+
Cheapest Retailer
-
$1,425 NZD
$802 USD
A
Retailer 2
-
$1,552 NZD
$873 USD
View
A
Retailer 3
-
$1,555 NZD
$875 USD
View
Final sale: no returns
A
Retailer 4
-
$2,024 NZD
$1,139 USD
View
A
Retailer 5
-
$2,630 NZD
$1,480 USD
View
A
Retailer 6
-
$2,670 NZD
$1,502 USD
View
A
Retailer 7
-
$2,790 NZD
$1,570 USD
View
A
Retailer 8
-
$2,984 NZD
€1,599 EUR
View
A
Retailer 9
-
$3,411 NZD
$1,919 USD
View
A
Retailer 10
-
$3,706 NZD
A$3,208 AUD
View
A
Retailer 11
-
$3,933 NZD
$2,213 USD
View
A
Retailer 12
-
$4,091 NZD
$2,302 USD
View
A
Retailer 13
-
$4,122 NZD
A$3,568 AUD
View
A
Retailer 14
-
$5,133 NZD
$2,888 USD
View
B+
Retailer 15
-
$6,844 NZD
£3,032 GBP
View
B+
Retailer 16
-
$9,150 NZD
A$7,920 AUD
View
Retailer 17
-
$9,695 NZD
$5,455 USD
View
Price last confirmed 16 days ago
B+
Retailer 18
-
$12,654 NZD
$7,120 USD
View
Most Expensive
B
Brilliant Earth
13214856Y · Nov 2
$17,880 NZD
$10,060 USD
View
18 more retailers have this diamond
Prices start from $1,425 NZDSave up to $16,454 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+
3.13ct Round
$1,425 NZD