CaratHunter
Plans
Round|Lab Grown|IGI

3.78ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG743521831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743521831

Diamond specifications and retailer prices

From $1,117 AUD
$785 USD
As of October 29, 2026
Save $8,804 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,921 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.78ct lab-grown round diamond

This 3.78ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG743521831 or 743521831. Listed at 18 retailers as of October 29, 2026, with prices from $1,117 to $9,921, a $8,804 spread on the same certified stone. Do Amore Diamonds lists it at $9,921. 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

3.78
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743521831
Dimensions9.98 × 9.94 × 6.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm9.94 mm3.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743521831
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41°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: $2,193 AUD|Low: $1,073 AUD|High: $14,305 AUD|Avg: $3,653 AUD|+2.6%
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
October 30, 2026
Retailer 11$1,117 AUD
Retailer 3$1,216 AUD
Retailer 5$1,251 AUD
Retailer 12$1,297 AUD
Retailer 8$1,544 AUD
Retailer 2$1,868 AUD
Retailer 14$2,094 AUD
Retailer 1$2,193 AUD
Retailer 10$3,083 AUD
Retailer 4$4,024 AUD
Retailer 13$4,381 AUD
Retailer 7$5,392 AUD
Retailer 9$5,807 AUD
Retailer 6$14,305 AUD

42 data points across 14 retailers

18 retailers$1,117 AUD to $9,921 AUD

A
Cheapest Retailer
-
$1,117 AUD
$785 USD
A
Retailer 2
-
$1,216 AUD
$854 USD
View
A
Retailer 3
-
$1,251 AUD
$879 USD
View
Final sale: no returns
A
Retailer 4
-
$1,297 AUD
$911 USD
View
Retailer 5
-
$1,297 AUD
$911 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,544 AUD
$1,085 USD
View
A
Retailer 7
-
$1,868 AUD
$1,312 USD
View
A
Retailer 8
-
$2,094 AUD
$1,471 USD
View
A
Retailer 9
-
$2,193 AUD
£1,213 GBP
View
B+
Retailer 10
-
$2,319 AUD
$1,629 USD
View
B+
Retailer 11
-
$3,083 AUD
$2,166 USD
View
B
Retailer 12
-
$4,024 AUD
$2,827 USD
View
B
Retailer 13
-
$4,319 AUD
$3,034 USD
View
B
Retailer 14
-
$4,381 AUD
$3,078 USD
View
B
Retailer 15
-
$5,105 AUD
$3,587 USD
View
B
Retailer 16
-
$5,392 AUD
£2,983 GBP
View
Retailer 17
-
$5,807 AUD
$4,080 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-01FFECC23 · Oct 29
$9,921 AUD
$6,970 USD
View
17 more retailers have this diamond
Prices start from $1,117 AUDSave up to $8,804 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
3.78ct Round
$1,117 AUD