Round|Lab Grown|IGI

3.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825675292

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825675292

Diamond specifications and retailer prices

From $3,935 AUD
$2,764 USD
As of October 29, 2026
Save $11,976 AUD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,911 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825675292 or 825675292. Listed at 19 retailers as of October 29, 2026, with prices from $3,935 to $15,911, a $11,976 spread on the same certified stone. Taylor and Hart lists it at $15,911. 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

3.70
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825675292
Dimensions9.83 × 9.87 × 6.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
9.83 mm9.87 mm3.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825675292
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 29
Current: $4,282 AUD|Low: $3,935 AUD|High: $17,177 AUD|Avg: $7,844 AUD|-7.5%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 18$3,935 AUD
Retailer 1$4,282 AUD
Retailer 14$4,406 AUD
Retailer 12$4,610 AUD
Retailer 4$4,648 AUD
Retailer 8$4,648 AUD
Retailer 9$4,842 AUD
Retailer 6$5,407 AUD
Retailer 11$5,736 AUD
Retailer 16$6,142 AUD
Retailer 7$6,389 AUD
Retailer 5$6,641 AUD
Retailer 3$7,266 AUD
Retailer 10$9,574 AUD
Retailer 17$10,793 AUD
Retailer 13$11,467 AUD
Retailer 2$11,844 AUD
Retailer 15$13,348 AUD
Taylor and Hart$15,911 AUD

30 data points across 19 retailers

19 retailers$3,935 AUD to $15,911 AUD

A
Cheapest Retailer
-
$3,935 AUD
$2,764 USD
A
Retailer 2
-
$4,282 AUD
$3,008 USD
View
A
Retailer 3
-
$4,406 AUD
$3,095 USD
View
Final sale: no returns
A
Retailer 4
-
$4,610 AUD
$3,238 USD
View
A
Retailer 5
-
$4,648 AUD
$3,265 USD
View
A
Retailer 6
-
$4,648 AUD
$3,265 USD
View
B+
Retailer 7
-
$5,407 AUD
$3,798 USD
View
Retailer 8
-
$5,722 AUD
HK$31,400 HKD
View
Price last confirmed 39 days ago
B+
Retailer 9
-
$5,736 AUD
$4,029 USD
View
B+
Retailer 10
-
$6,142 AUD
£3,397 GBP
View
B+
Retailer 11
-
$6,389 AUD
$4,488 USD
View
B+
Retailer 12
-
$6,641 AUD
$4,665 USD
View
B+
Retailer 13
-
$7,266 AUD
€4,861 EUR
View
Retailer 14
-
$9,574 AUD
$6,725 USD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$10,793 AUD
ZAR 122,480 ZAR
View
B+
Retailer 16
-
$11,467 AUD
$8,055 USD
View
B+
Retailer 17
-
$11,844 AUD
£6,551 GBP
View
B
Retailer 18
-
$13,348 AUD
$9,376 USD
View
Most Expensive
B
Taylor and Hart
I9OHZKM · Oct 30
$15,911 AUD
$11,176 USD
View
18 more retailers have this diamond
Prices start from $3,935 AUDSave up to $11,976 AUD

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
3.70ct Round
$3,935 AUD