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Radiant|Lab Grown|IGI

3.19ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG689574863

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG689574863

Diamond specifications and retailer prices

From $3,022 NZD
$1,697 USD
As of October 30, 2026
Save $15,709 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,731 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.19ct lab-grown radiant diamond

This 3.19ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689574863 or 689574863. Listed at 18 retailers as of October 29, 2026, with prices from $3,022 to $18,731, a $15,709 spread on the same certified stone. Brilliant Earth lists it at $18,731. 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

3.19
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689574863
Dimensions10.99 × 7.34 × 4.72 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.34 mm3.19 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689574863
Side View
Table 63.0%Crown 40°Girdle: MediumPavilion 34.7°Culet: NoneDepth 64.3%

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 30
Current: $18,731 NZD|Low: $2,414 NZD|High: $18,731 NZD|Avg: $8,236 NZD
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
October 30, 2026
Retailer 10$3,700 NZD
Retailer 12$3,810 NZD
Retailer 14$4,581 NZD
Retailer 5$4,775 NZD
Retailer 2$5,319 NZD
Retailer 11$5,794 NZD
Retailer 9$5,810 NZD
Retailer 13$6,463 NZD
Retailer 3$8,005 NZD
Retailer 7$10,509 NZD
Retailer 8$11,064 NZD
Retailer 4$11,220 NZD
Retailer 15$13,286 NZD
Retailer 6$13,553 NZD
Brilliant Earth$18,731 NZD

43 data points across 15 retailers

18 retailers$3,022 NZD to $18,731 NZD

A
Cheapest Retailer
-
$3,022 NZD
$1,697 USD
A
Retailer 2
-
$3,287 NZD
$1,846 USD
View
A
Retailer 3
-
$3,506 NZD
$1,969 USD
View
A
Retailer 4
-
$3,700 NZD
$2,078 USD
View
Final sale: no returns
A
Retailer 5
-
$3,810 NZD
$2,140 USD
View
A
Retailer 6
-
$4,581 NZD
HK$20,100 HKD
View
A
Retailer 7
-
$4,775 NZD
$2,682 USD
View
A
Retailer 8
-
$5,319 NZD
£2,352 GBP
View
A
Retailer 9
-
$5,794 NZD
$3,254 USD
View
A
Retailer 10
-
$5,810 NZD
€3,108 EUR
View
B+
Retailer 11
-
$6,463 NZD
$3,630 USD
View
B+
Retailer 12
-
$8,005 NZD
£3,540 GBP
View
B+
Retailer 13
-
$10,509 NZD
$5,902 USD
View
B+
Retailer 14
-
$11,064 NZD
£4,893 GBP
View
B
Retailer 15
-
$11,220 NZD
$6,301 USD
View
B
Retailer 16
-
$13,286 NZD
SGD 10,084 SGD
View
B
Retailer 17
-
$13,553 NZD
$7,612 USD
View
Most Expensive
B
Brilliant Earth
16979789Y · Oct 29
$18,731 NZD
$10,520 USD
View
17 more retailers have this diamond
Prices start from $3,022 NZDSave up to $15,709 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
3.19ct Radiant
$3,022 NZD